−0.2x=1.6

Help a brother out

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

What is the inverse of the function f(x) = 2x + 1?

The system of equations graphed below has how many solutions? y = 2x + 2