The ratio of the cost of a tennis racket ro tennis balls is 18: 1. if a can of balls cost $5.35, what is the cost of the racket?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

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.