Aracing car used 255 litres of fuel to complete a 340km race. on average, how many litres of fuel did the car use every 100km?

What kinds of numbers have an odd number of factors?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

How to use order of operation in 20 divide by 4 multiply 5 = 1