If 80 is decreased by 30%, what is the new amount?

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field