What is the value of the expression 2x2 + 3xy - 4y2 when x = 2 and y = - 4?

Write an expression to represent the area of a rectangle if the length of a rectangle is three units more than its width

2. The ratio of clown fish to angel fish at a pet store is 5:4. The ratio of angel fish to goldfish is 4:3. There are 60 clown fish at the pet store: a. How many angel fish are there? b. How many goldfish are there?

What 2 numbers multiply to get 10 and add to get 7?

In 2012 five U. S stamps cost $ 2.20 how much did seven stamps cost

A local little league has a total of 60 players, of whom 80% are right-handed. How many right-handed players are there?

34-17 in word expression

4x+y=10 what is the missing equation? (___, - 6)

If the graph of the function g defined by g (x) = - 2x^2+9. Is translated vertically downward by 8 units, it becomes the graph of a function f. Find the expression for f (x)

What is the perpendicular slope for y=-5/3+21

Solve by the linear combination method (with or without multiplication) 6x-2y=2 -3x+4y=5