A right triangular prism is shown in the diagram. What
is the total surface area of
this triangular prism in
square centimeters?

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 2x+y=3 x+y=5 in substitution method

Me with this one question, and i'll upvote the brainliest answer