Answer:
Step-by-step explanation:
<u>27.</u> the sum of 2 complementary angles=90
8x-17+5x-10=90
13x=90+27
13x=117 <u>x=9 </u>
<u>28. </u> the sum of supplementary angles=180
17x-12+3x-48=180
20x=180+60
20x=240
<u>x=120</u>
I believe the answer is 24
Answer:
4.5
Step-by-step explanation:
Answer:
44-31=13
so 13
Step-by-step explanation:
Answer:
The answer is 26.
Step-by-step explanation:
7 x 4 = 28 so
28 + (-2)=
26