FILL IN THE BLANK Because the area of a parallelogram is equal to the _ of the base and the height, the area is the _ of π r and r, or π r squared.

A. product, product
B. quotient, quotient
C. difference, difference
D. sum, sum​

Which expression is equivalent to 2x^2+7x+4?

How do you write something in scientific notation?

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)