The solution set for -2x^2 + 12x = 0 is
a. (0,12)
b. (0,-12)
c. (0,6)
d. (0,-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