Can you guys please help me me with these 3 questions

Find and simplify an expression for the area of five rows of square with side lengths of x

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.

Which of these is one right guaranteed by the aha's patient bill of rights? a. the right to remain on your insurance plan. b. the right to appeal denial of coverage for a procedure. c. the right to be treated with respect. d. the right to have insurance even with preexisting conditions.