1) 8h – 21 = 7(6 – 4)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.