You have 35 coins. They are all quarters and nickels. If you have $3.15, how many nickels and how many quarters do you have?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Aphrase is shown read the phrase and give me the answer