WHICH OF THE FOLLOWING RATIOS ARE PROPORTIONAL? A) 4/13, 5/26
B) 12/5, 60/75
C) 2/9, 11/36
D) 5/12, 10/32​

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?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333