The principal asks the janitor to set up 40 more chairs for parents who want to attend the assembly. What are 3 different ways the janitor could set up rows of chairs with a multiple of 10 chairs in each row?

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

125 yards

step-by-step explanation:

i take 75 plus 50.

we would need a picture of the quadrilateral in order to answer the question. also, it seems that the question is missing some components.