Can anyone me / explain these to me? you.

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

What is the relationship between all triangles that can be drawn given the same three angles