Your friend's heart beats 18 times in 15 seconds when at rest. While running, your friend's heart beats 25 times in 10 seconds. Find the heart rate in beats per minute at rest and while running.

Solve each equation. a. - 1/8d - 4 = - 3/8 b. - 1/4m + 5 = 16 c. 10b + - 45 = - 43 d. - 8 (y - 1.25) = 4 e. 3.2 (s + 10) = 32

What is the range of the following function: f (x) = - x^2+x^-1 if the domain is {-2, - 1, 1}

Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39. What is the average price of his books? Choose the answer that correctly calculates the average. A. $32 + $45 + $39 : 3 B. ($32 + $45 + $39) : 3 C. 3 * $32 + $45 + $39 D.

How to simplify 14/21

If your front yard is 65ft by 45ft and your backyard is 35ft by 45ft. how much fencing should you buy

Factor completely. 2x^4+4x^3-30x^2

The price of 5 scarves is $56.25 what is the unit price

Calculate the interest produced by a principal of $ 4,500 at 5% annual simple interest in 8 months.

10+x=5 (1/5x+2) Equations with infinite and no solution

What is the area of a rectangle with a length 20 yd and a width of 16 yd? A. 320 yd2 B. 325 yd2 C. 333 yd2 D. 340 yd2