Which equation represents a line with a slope of -3 and a y-intercept of -6?
A y = 3x - 6
B y = 6x +3
Cy=-3x+6
D y=-3x - 6

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9