What is the surface area, in square units, of the triangular prism with this net? Enter your answer as a decimal number without units, like this: 42.53 (PLEASE HELP!!)

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =