Step-by-step explanation:
Substitute X for the amount Annie spent
4x-$64 = 100
4x = $164
x = $164/4
x = $41
Answer:
3 units or 3/1 (the fraction)
Step-by-step explanation:
Do 3/4 x 3 and you got 12/4 and that is simplified to 3
<h3>
Answer: 3^9</h3>
This is the same as writing 
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How to get that answer:
The lowest height is 3^8, and the highest point is 3 times that value.
We can think of that second "3" as really 3^1. This is because x^1 = x for any real number.
Multiply 3^8 and 3^1 using the rule that a^b*a^c = a^(b+c). We add the exponents together.
Therefore, 3^8*3^1 = 3^(8+1) = 3^9
Side notes:
The answer is B, 8. 2 exponent 3 is 8 because to find an exponent multiply the base by itself with the exponent number: 2*2*2 which is 8.