Answer:
12.4
Step-by-step explanation:


Answer:
180-1(2x-40)
180-1(2x)+(-1)(-40)
180+−2x+40
Combine Like Terms:
180+−2x+40=(−2x)+(180+40)
-2x+220
Step-by-step explanation:
Answer:
points (2,3) and (-2,9)
Step-by-step explanation:
8 ft= ___ inches
1 ft= 12 inches
8 ft= 12 x 8 inches
8 ft=96 inches
She has 96 inches, but she needs 100 inches. So she needs 4 more inches of lumber.
Answer:
112
Step-by-step explanation:
I am not 100% sure because I can't see information given on the shape, but assuming it is equal angles