Which Expression is equivalent to -0.3(1.5x-0.6)-2(-0.4+0.9x)

A. 0.45x+0.20
B. 0.45x-1.98
C. -2.25x-0.62
D. -2.25x+0.98

Sketch one cycle if the cosine function y=2cos2theta

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?