Simplify:2(x2 + 5) − 3(x + 1) + 3
A) x2 − 3x + 10
B) 2x2 − 3x + 10
C) −2x2 − 3x + 10
D) 2x2 − 3x − + 13

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)

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