Erika stands on a balcony and throws a ball to his dog, who is at ground level. The ball's height (in meters above the ground). x seconds after Erika threw it, is modeled by:
What is the height of the ball at the time it is thrown? *
(4 Points)
h(x) = -2r2 + 4x + 16

Use the distributive law to multiply. 3(4x + 5y + 6)

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)

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?