Ronald is changing the shape of his backyard from 100 feet long by 22 feet wide to a square that has the same area. what is the perimeter of the square backyard, rounded to the nearest whole number? a. 188 ft b. 200 ft c. 212 ft d. 168 ft

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)