Can anyone me with this question?

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

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 =

F(x)=5/6x+3 which of the following is true