Answer:
1. 2(-6)-10+10= (-12)
3. (4)(-1)=(-4)
5. 10+(-1)=9
7. 2²-7+7=2²=4
9. (-7)²-2²=49-4=45
11. 6(-10)+(-10)+5=(-70)+5=(-65)
13. (-4)²+(-1)²+2=16+1+2=19
15. Cant tell what r is
Explanation:
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