Answer:
1. C
2. A
3. B
Step-by-step explanation:
hope it helps you!
20 and 20 = vertical angles
20 and 70 = complimentary angles
20 and 160 = supplementary angles
vertical angles are the same measure, complimentary angles add up to 90, and supplementary angles add up to 180
<u>Step 1: Distribute</u>
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f(5.5)≈27.32
20
f = 2f - 20
f - 2f = - 20
- f = - 20
f = 20
