Marin county fair charges $4 to enter and $3.50 for each ride on the screamer. sonoma county fair charges $7 to enter but only need $2 for each ride in the screamer. how many times would you need to ride the screamer so that you spent the same at each fair?

What is the inverse of the function f(x) = 2x + 1?

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)

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches