Pls help me asap thank you

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The only way to identify an intercept is as an ordered pair. true false

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?