Mofor and Brenda each improved their yards by planting rose bushes and shrubs. They bought their supplies from the same store. Mofor spent $61 on 3 rose bushes and 14 shrubs. Brenda spent $164 on 14 rose bushes and 5 shrubs. Find the cost of one rose bush and the cost of one shrub

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

What is the measure of angle x? a.101 b.158 c.44 d.79

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)