Answer: C, In Step 2 the expression for y should be subsituted in the other equation.
Answer:
192
Step-by-step explanation:
both triangles are 12 in and the square is 168
so 12+12+168= 192in
Answer:
The slope in this equation is
.
Step-by-step explanation:
Slope-intercept form: 
m = slope
b = y-intercept
x = variable
