Your math tests scores are 68 78 90 and 91. what is the lowest grade you can get on the next test to still have an average at least 85

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55