The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches?

x best represents

x+12 best represents

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula, M = 176 - 0.8A, where M is the maximum heart rate and A is the person's age. Solve the formula for A.

How to solve 17 = x/2 + 1

Is the equation A = 21000 (1 -.12) ^t a model of exponential growth or exponential decay, and what is the rate (percent) of change per time period?

Multiply 1/3 * 2/5. Express your answer in simplest form

If (0.2) x = 2 and log 2 = 0.3010, then the value of x to the nearest tenth is: (a) - 10.0, (b) - 0.5, (c) - 0.4, (d) - 0.2, (e) 10.0

What is 51,988 rounded to the nearest ten thousand

20+n=0 show how you got the answer A.) 20 B.) - 13 C.) - 20 D.) 0

The sum of two numbers is 70. One number is ten more than twice the other number. Find numbers.

What is the factored form of this expression? x2 - 12x + 36

Solve the equation if 0° sin X=