Sylvia rented a boat for 16.50 per hour. her total rental fee was 49.50. for how many hours did sylvia rent the boat?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)