54+(12x+18x)+4<span>x
</span> 54+12x+18x+4<span>x^2
</span>54+30x+4x
which would be the area of the border i think i am not sure i did this right
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27. B
28. 800 more people
29. He should receive $11.20 back. I came up with this by taking 81 (the total cost of the items) and subtracting 15%. After that, I got 68.85-the price after using the coupon. Then, I added the total amount of money he had and came up with 80 (he had 4 twenty dollar bills). Finally, I took away 68.85 from 80 and ended with the answer 11.20.
30. Store b is offering a better deal for the shoes. After using the percent discount for store a, I came up with 59.50. However, when I did the same with store b, I ended with 51.30, the better deal of the two stores.
Adam mistakenly divided his test scores 6 times instead of 7.
So if the average yielded 84 when divided by a 6, then you multiply by 6
84×6=504
So you divide 504 by 7 (the correct amount of test scores)
504÷7=72 which is often equivalent to a B-
72 is Adam's grade point average.
Answer:
Yes
Step-by-step explanation:
Pythagorean theorem states that for right triangles a^2 + b^2 = c^2, which is true for this as a^2 = 1225 + 144 (b^2) = 1369,
1369 = 37^2
