What is 16x⁰+2x²×y‐¹ if x=2 and y=4

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b