Answer:
c^2 +17c -5
Step-by-step explanation:
I like to line them up vertically
2c^2 +7c - 1
- (c^2 -10c+4)
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Distribute the minus sign
- c^2 +10c-4
270 degrees because 1/4 of a circle is 90 degrees
For 2/5=0.4 For 40/100 is also 0.4
