It takes 20 pounds of fertilizer to treat a lawn of 7000 square ft., how many pounds of fertilizer are needed to treat a lawn of 17,000 square ft.?

The amount of energy it takes to lift a box might be a function of which of the following

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13