Answer:
-1
Step-by-step explanation:
-40/7+8-23/7
= -40/7+8-23/7
= 16/7-23/7
= -1
Answer:
6: S
7: C
8: C
9: C
10: N
11: C
12: S
13: S
14: N
15: C
Step-by-step explanation:
Complementary angles add to 90 degrees.
Suplementary angles add to 180 degrees.
Answer:
Answer for A
Step-by-step explanation:
I don't know about B , Sorry for that.
52=2w+2l
52=2(l-8)+2l
52=2l-16+2l
52=4l-16
36=4l
l=9
Answer is 7.b because of the angles