If a(x) = 2x-4 and b(x) = x=2, which of the following expressions produces a quadratic function

27 is what percent of 108? 27 is % of 108

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?