Whats the smaller angle ?

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

Which expressions are equivalent to -6 + 3m

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9