The circumference of the circle in the above figure is 128 ft. what is the length of ab?

a. 45 ft
b. 16 ft
c. 105.5 ft
d. 22.5 ft

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.