Number 17:
17.3% + 4.8% = 22.1%
22.1% = 0.221
0.221 × 196 = 43.316
Answer = C. 43.3
Number 18:
Complementary angles = 90°
90 - 47 = 43
Answer = A. 43°
Number 19:
Angles 8 and 5 are congruent. That means they are the same.
If angle 8 = 65°, then angle 5 = 65°
Answer = 65°
Number 20:
(Not sure)
1. parellelogram
2. rhombus
3. square
Number 21:
The answer is yes because the length and shape is all the same.
~Hope this helped~