Answer:
100 - 4q²
Step-by-step explanation:
(10 - 2q)(10 + 2q)
each term in the second factor is multiplied by each term in the first factor.
10(10 + 2q) - 2q(10 + 2q) ← distribute parenthesis
= 100 + 20q - 20q - 4q² ← collect like terms
= 100 - 4q²
Answer:
Let the number be x,
x ≥ 4
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Answer:
The answer is D, 43 
Step-by-step explanation:
If the pile gets bigger by 8 
each week, and you want to find out how big the pile is after 3 weeks, then you have to multiply 8 
by 3 to find out how much the pile increased by.
8 × 3 = 25 
Now, you need to add this to your initial value to get the answer.
25 + 17 = 42 
Now simplify.
43
Answer:
The Answer of the above question is 30.25
Step-by-step explanation:
Hope it helps you.
