Jason is compiling a program for a video game. For one part of the program he uses the rule (x, y)→(x+1,y-4) to move points on the screen. What output does the rule give when the input is (4,-2)? Show your work. What output does the rule give when the input is (-3,8)? Show your work.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

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)