Which of the following sets of ordered pairs is not a direct variation?
a. (0, 0); (-2, 4); (3, -6)
b.(1, 1); (-2, -2); (3, 3)
c.(10, 2); (15, 3); (20, 4)
d.(0, 0); (1, 3); (2, 4)

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

Tom drove 206 miles in 3.9 hours. estimate his average speed.