Given the following diagram, if m∠COF = 150°, then m∠BOC = 45°
150°
30°
90°

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?