In hillcrest school, 36% of middle school students are in grade 6, 31% are in grade 7, and 33% are in grade 8.

if a middle school student is selected randomly, what is the probability that the student is either in grade 6 or in grade 7?

Find percent notation for 0.008 0.008=

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

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)