Which number is rational and a real number but not an integer
a. there is no such number
b. square root of 2
c. -5
d. 5/7

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8