Combine like terms.

12u – 35u

a.
–47u

b.
–23

c.
–23u

d.
-23u^2

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip