The measure of central angle RST is pi radians . What is the area of the shaded sector?
4pi units2
8pi units2
16pi units2
20piunits2

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.