Choose the correct proportions.

21, 2, 6, 7

a) 2:7 = 6:21
b) 7:2 = 6:21
c) 2:7 = 21:6
d) 2:6 = 7:21

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?