Answer:
The answer is -0.25.
Step-by-step explanation:
Using PEMDAS, add 9.5 + 11 first, which results in 20.5. Then substract 20.5 from 20.25, 20.25 - 20.5. This leads to -0.25 or -1/4.
proportional/equal
doesnt need
B.
When reflecting over the x-axis:
(x, y) (x, -y)
The y changes signs (+, -)
1.6 × 1.6 × 1.6 × 1.6 = 6.5536