Answer: -1
Step-by-step explanation:
Answer:
18
ZAOC and ZCOB are supplementary angles.
Find the
Answer:
L = 12 inches
Step-by-step explanation:
Using the Pythagorean theorem:
15² - 9² = L²
L² = 144
L = 12 inches
3.5(c-8)+c = 12.5
⇒ 3.5c- 3.5*8+ c= 12.5 (distributive property)
⇒ (3.5c+ c) -28= 12.5
⇒ 4.5c= 12.5+ 28
⇒ 4.5c= 40.5
⇒ c= 40.5/ 4.5
⇒ c= 9
The correct answer is 9~
N=54........................
