Simplify (p^2+ 3)º I’m doing a quiz right now and I’d really appreciate if someone solved this thank you so much <3

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Which statement describes surface features called maria on the moon