A contractor bought 6.4 ft? of sheet metal. He has used 2.3 ft2 so far and has $123 worth of sheet metal remaining. The equation 6.4x - 2.3x = 123 represents how much sheet metal is remaining and
the cost of the remaining amount. How much does sheet metal cost per square foot?

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36

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)

Find the cocordinatse of the point on y axis which is nearest to the point (-2,5)