Choose which triangle goes into the right category.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.