Answer:
1/9
Step-by-step explanation:
when you have a negative exponent, you move the term to the denominator: 1/3^2
then you just do 3^2: 1/9
Answer:
12
Step-by-step explanation:
Sum of angles in a triangle = 180
2x – 5 + <span>3x + 10 + 90 = 180
5x + 95 = 180
5x = 85
x = 17
</span>2x – 5 = 2(17) - 5 = 29
3x + 10 = 3(17) + 10 = 61
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Answer: 29</span>° and 61° (Answer B)<span>
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