21b+15 25c+15
22d+24
44e−12
28+20f
6g−8
6h+9
6−14i
10+4j+62p
21−33k−69q
6+8y+58r

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?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i