Answer: a= c+11
Step-by-step explanation:
a has 9 more than b which has 2less than c
When Jamie has $200 to purchase skateboard equipment, he will have spent more than 50 percent.
<h3>How to calculate the percentage?</h3>
From the information given, the total amount spent will be:
= $100 + $60 + $30 + $20 + $20 + $50 + $115
= $395
Since Jamie has $200 to purchase skateboard equipment, the percentage will be:
= 200/395
= 0.51
= 51%
Learn more about percentages on:
brainly.com/question/24304697
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A: When you multiply two numbers, their exponents add.
So,

Since 64^1/2 multiplied by itself is 64, then it is the square root of 64.
B: The area is irrational. 7 * √7 is irrational.
A,81 because if you try checking 81 will be the only composite number im in 6 grade.....
lol, that would be biology
but I'd say its the mitochondria