Find the error and correct it 4= -2(x - 3)
4= -2x - 6
4 + 6 = -2x - 6 + 6
10 = -2x
10/-2 = -2x/-2
-5 = x

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

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)

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot