No, a parallelogram is not a rectangle. meaning it has a completely different area formula, I know it sucks. 
Formula: base × height 
I don't use feet and inches. sorry I couldn't provide with to much help.
 
        
        
        
Answer:
1) 2a+4a+10-6= 6a + 4
2) 3x-5x+7-7= -2x 
3) - 15b+10 +10b= -5b + 10
4) - 4d+d-8-6+3b= - 3d - 14 +3b
 
        
                    
             
        
        
        
The 2 graphs on the left are exponential 
The other 2 are linear
        
             
        
        
        
The answer is 0, as there is no slope going up or down.
        
             
        
        
        
9514 1404 393
Answer:
   97.42 square units
Step-by-step explanation:
The area of a sector is given by ...
   A = (1/2)r²θ
where r is the radius (12.2) and θ is the central angle in radians. Here, you're given the central angle as 75°, so you need to convert that to radians.
   75° = (75°)×(π/180°) radians = (5/12)π radians
Then the area is ...
   A = (1/2)(12.2²)(5π/12) = 744.2π/24 ≈ 97.42 . . . square units
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Equivalently, you can find the area of the circle in the usual way:
   A = πr² = π(12.2²) ≈ 467.59465
Then, multiply by the fraction of the circle that is shaded (75°/360°)
   sector area = (467.59465)(75/360) = 94.42 . . . square units