Rachael’s patio has an area of 290 square feet. if the patio is shaped like a square, what is the approximate side length? a. about 72.5 feet b. about 145 feet c. about 17 feet d. about 24 feet

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

The sum of two numbers is 86, and their difference is 20. find the two numbers