The problem says that 2500 people went, out of all the answers choices which choice gives you the total of 2500 when you add the adults and children.
Answer is B because 1100 + 1400 = 2500
1)-9/5C=-F+32
2)9/5C=F-32
3)9C=5(F-32)
4)C=5/9(F-32)
Answer: 
<u>Step-by-Step Explanation:</u>
KCFmeans: Keep, Change, Flip
- Change: the sign <em>from division to multiplication</em>
- Flip: the second fraction
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<em>KCF is applied here!</em>
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Answer:
B 20r
Step-by-step explanation:
r² + + 100
r² = (r ) ( ) signs are all positive. 100 = (10) (10) last number. so
(r + 10)(r + 10)
r(r+ 10) + 10(r + 10)
r² + 10r + 10r + 100
r² + 20r + 100