2. A grocery store has advertised a sale on ice cream. Each carton of any flavor of
ice cream costs $3.79. Answer the following qųestions.

b. Write an equivalent expression for your answer in part (a). Hint a number
times s plus a number times c. Hint WRITE AN EXPRESSION. NOT
SOLVE THE PROBLEM.
Your 15pts

What is x and y intercepts for y=x+7

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

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)