Answer:
x^2 - 81
Step-by-step explanation:
There is a formula called the difference of squares, which is
(a+b)(a-b) = a^2 - b^2
104/2 = 52
answer is 52 mph
hope it helps
Answer:
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Step-by-step explanation:
1.) 12+x is greater than or equal to 20
2.) 14 is greater than it equal to x
3.) 50 is greater than or equal to x
Answer:
10
Step-by-step explanation: