Circle A is shown with a central angle marked 40 degrees and the radius marked 15 inches. Which of the following could be used to calculate the area of the sector in the circle shown above?

π(15in)40 over 360
π(40in)215 over 360
π(15in)240 over 360
π(40in)15 over 360

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )