Find the selling price: cost: $2.66 percent of markup: 50% a. $3.99 c. $1.33 b. $6.65 d. $3.10

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

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.