Add the fractions and simplify the 2 1/4 + 5 5/6 + 3 2/3

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)