3x + 1 is the length for one side. Do you also need to solve for x?
Answer:
Area of the shaded region= 
Step-by-step explanation:
Area of the shaded region= Area of the triangle- Area of the rectangle
Dimensions of the triangle:
Base= 40 inch
Height= 40 inch
Area of a triangle=

Area of the rectangle= Length*Width
Length=30 inch
Width=10 inch
Area:

Area of the shaded region= 
Answer:
Answer C is correct
Step-by-step explanation:
-200(3/4) = -600/4 = -150 ft
Answer:44
Step-by-step explanation:
For the first one:
m is the slope, or how much the line goes up compared to goes right. In this case, the line goes up 40 every time it goes right 10. We write this as a fraction so 40/10, which simplifies to 4. Therefore the equation would be y = 4x.