Solve the following systems of equations

x+3y=-23

-x+4y=-26

Isabella's house has 3 bedrooms. Each bedroom is 12 feet long, 10 feet wide, and 8 feet high. Isabella must paint the walls of all the bedrooms. Doorways and windows, which will not be painted, occupy 60 square feet in each bedroom.

800 divided by 10 to the power 3

Why are there only a limited number of top predators in the ocean?

A copy machine makes 36 copies per min him many copies does it make in 3 mins and 45 seconds

What is half of one-third?

Write an indirect proof. Given: 5x+7≥52 Prove: x≥9

How many bits are in one dollar

Angela uses 6.8 pints of white paint and blue paint to paint her bedroom walls. 4 5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls what is the fraction also

Factor completely. n ^4 - 1

Which is the better deal 10 pens for 8.99 or 25 pens for 19.75