Answer: 4(−a+1)(a−1)
Step-by-step explanation:
(-1, 5) because if you plug in -1 to both equations, you should get 5 from both equations. They also cross at that point, making that the solution.
Answer:
40 square feet
Step-by-step explanation:
The area of a parallelogram is given by the formula ...
A = bh . . . . . base b, height h
Your figure shows a base length of 10 feet and a height of 4 feet.
The area is ...
A = (10 ft)(4 ft) = 40 ft²
