Solve for h
pls show work
-1 1/2h = 4

Which of the following is the shape of a cross section of the figure shown below

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Find the measure for the angle indicated in bold