What is the measure of angle MBT

What is the area of triangle abc if a = 8, b = 11, and c = 15?

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2