If f(x) varies directly with x, and f(x) = 18 when x = 2, find the value of f(x) when x = 6.
a.
6
b.
18
c.
36
d.
54

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *