Marty went on a bike ride to the store 8 miles away. If it took
Marty of an hour to get there and of an hour to get back,
what was his average rate of speed (miles per hour) for the
entire trip?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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.)