Will give brainliest! whats 20+20-40?

On a graph what is y=-x

The hypotenuse of a right triangle is startroot 21 endroot21 in and one leg measures 44 in. find the length of the other leg.

Five bushels of corn can be converted into 14 gallons of ethanol. The amount of ethanol produced varies directly with the number of bushels of corn used. Write an equation to represent this situation. E (x) =

A bookstore buys algebra 1 books at a wholesale price of $17 each. It then marks up the price by 55%, and sells the algebra 1 books. What is the amount of the markup? What is the selling price?

Is the equation x2+y2=5 a functional equation

Three less than the quotient of a number and 6 exceeds 1. What are the possible values? (Answer the first part.)

Which shapes can the shaded area be divided into to find the area? figure is comprised of a rectangle and 1 triangle. a rectangle and a triangle b rectangle and a square c trapezoid and a rectangle d trapezoid and two triangles

Rounding 845,001 to the nearest thousand

To determine how a city's residents feel about building a new youth center, a group considers surveying 50 random children at a local elementary school. Why would this result in a biased sample? Select three answers.

Suppose an investment of $2,300 doubles in value every decade. The function f (x) = 2,300*2^x gives the value of the investment after x decades. How much is the investment worth after 2 decades? a. $9,200 b. $9,200 c. $92,000 d. $46,000