Someone who can explain how to do this step by step exercise? thanks

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.