Answers

2015-12-06T14:10:54+08:00
1. 5(7)-3
35-3
Answer: 32
2. 2(-5)^2 - 1
2(25) - 1
50-1
Answer: 49
3. 4(1/2)^2 + 3
4(1/4) + 3
1+4
Answer: 5
4. 9(-1/3)^2 -3(-1/3)+1
9(1/9)+1+1
1+1+1
Answer: 3
5. 16-(4)^2
16-16
Answer: 0
0
Number 3 answer is 4.  I'm sure it's just a typo error :-)  You've answered each item with clear solution :-)