Answer:
9-2b
Step-by-step explanation:
Set up equation:

Add like terms

Answer:
It is 30 because it is the only one that makes sense if you do the math
Answer:
x = 36
Step-by-step explanation:
Answer:
Step-by-step explanation:
y = (x+1)² - 3
= (x²+2x+1)-3
= x²+2x-2
:::::
y = (x-2)² + 3
= (x²-4x+4) + 3
= x²-4x+7
9 inches
4 hours = 240 minutes
240/40 = 6
1.5 * 6 = 9