Using the distributive property, the expression 9.78(4.3x + 5.15) simplifies to
a. 92.421x
b. 42.054x + 50.367
c. 42.054x + 5.15
d. 4.3x + 50.367

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

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

Are the corresponding angles congruent? explain why or why not.