Three positive numbers are in the ratio 7:3:2. The sum of the smallest number and the largest number exceeds twice the remaining number by 30. Find the three numbers.

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?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y