Colton's Gym charges an initial fee of $40 plus a monthly fee of $50. One customer
has paid $150 so far. Which of the
equations below can be used to find the
number of months, m, the customer has
belonged to the gym?
A: 150=50+40
B:150=40+50
C:150=400-50

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265