Arectangle has a length of 43 5/7 feet and a width of 42 1/10 feet. what is the perimeter (distance around the edges) of the rectangle in feet? express your answer in mixed number form, and reduce if possible.

Bring the fraction a/a-4 to a denominator of 16-a^2

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.

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.