## Find the slope: 4x C 5y = 20

Find the slope: 4x C 5y = 20A . 5/4B . 4/5C . – 4/5D . – 5/4E . – 4 View Answer Answer: B Explanation: The equation form for slope is y = mx + b, in which m is slope....

## What is the length of the line XY?

On a real number line, x = -4 and y = 7. What is the length of the line XY?A . 11B . 3C . – 11D . 7E . 10 View Answer Answer: A Explanation: Measure the length of the line by adding the respective distances of each value from zero....

## If Dave drives at a steady speed of 50 miles per hour, how long will it take him to drive 10 miles?

If Dave drives at a steady speed of 50 miles per hour, how long will it take him to drive 10 miles?A . 20 minutesB . 10 minutesC . 15 minutesD . 30 minutesE . 12 minutes View Answer Answer: E Explanation: Since there are 60 minutes in an hour, this problem can be...

## If x = 3 and y = -1, then 3×2 + 2xy C 5 = ?

If x = 3 and y = -1, then 3×2 + 2xy C 5 = ?A . 18B . 24C . 12D . 14E . 16 View Answer Answer: E Explanation: Substitute the given values into the equation, and then remember to observe the order of operations....

## Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?

Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?A . 5B . 8C . 10D . 6E . 12 View Answer Answer: D Explanation: The ratio of Rex’s age to Ted’s age is 4:1; the sum of their ages can be divided by...

## If x = -5, then |x – 7| =

If x = -5, then |x – 7| =A . -12B . 2C . 10D . -2E . 12 View Answer Answer: E Explanation: Remember that absolute value is the distance from zero on a real number line, and therefore cannot be zero....

## Solve and simplify: 2/3 x 3/5 x 5/10 x 6/8 =

Solve and simplify: 2/3 x 3/5 x 5/10 x 6/8 =A . 0.2B . 0.5C . 0.15D . 0.25E . 0.333333333 View Answer Answer: C Explanation: Fractions are multiplied by multiplying numerators by numerators and denominators by denominators. Some of the fractions in this problem can be simplified....

## How old was he last year?

John will be x in 7 years. How old was he last year?A . x + 7B . 1 C x – 7C . x + 8D . x – 8E . 7x View Answer Answer: D Explanation: The target age can be found by subtracting first seven and then one year from x....

## Reggie has enough flour to last for 40 days. If he increases his use of flour by 25%, however, how many days’ worth of flour will he have?

Reggie has enough flour to last for 40 days. If he increases his use of flour by 25%, however, how many days’ worth of flour will he have?A . 30 daysB . 28 daysC . 32 daysD . 48 daysE . 36 days View Answer Answer: C Explanation: Reggie will be using flour at...

## 8.5 x 9.07 =

8.5 x 9.07 =A . 77.95B . 770.95C . 77.095D . 777.095E . 7.095 View Answer Answer: C Explanation: Remember that since the terms of the problem have three units to the right of the decimal point, the answer will as well....