Which set of ordered pairs represents y as a function of x А {(0,0), (8,7), (9,6), (10,5), (10,4)}
B {(-3,5), (-3,7), (6,2), (6,5), (10,12)}
C {(7,0), (7,2), (7,3), (7,-1), (7,-4)}
D {(8,8), (5,-8), (6,4), (-2,5), (-3,6)}

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?