Answer:
Parent function: 
Step-by-step explanation:
Parent function is the simplest form of the type of function given
for equation: 
the simplest form is: 
5 boys play both hockey and volleyball (30-20-15=5)
Answer:
161 ft squared
Step-by-step explanation:
8 x 5 x 2 = 80
8 x 7 = 56
5 x 5 = 25
80 + 56 + 25
56 + 25 =81
80 + 81 = 161
161 ft squared
Step 2: it should be P-2x, not +.
Hope this helped :)