Answer:
-18x^2 -54x + 72
Step-by-step explanation:
Please look up "American Sign Language" (e. g., Google it). You'll find out quickly which group of children benefit from ASL.
Remember that

Thus, we can solve for x.
x + 22 = 90 - (2x - 7)
x + 22 = 97 - 2x
3x + 22 = 97
3x = 75
x = 25
1/7 *2 =2/7 take denominator with 1 over it and multiply by numerator