4(2x-3)-(x+5) = 5x+b What values of m and b would make this
an identity?
(Will award if you answer both)

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*