The answer is A because we simplify the 7 b by subtracting 6 b which gives us 1 b but in this case it will just be B and then we add 7c
Find the length of the ladder if the distance from the bottom of the ladder to the building is 9 feet.
Answer:
6
Step-by-step explanation:
By the property of intersecting secants outside of a circle. We have:

Answer:
15 boys and 10 girls
Step-by-step explanation:
you multiply 3:2 by 5 and you get 25 in total
Answer:
(x+y+z)(a+3)
Step-by-step explanation:
ax+ay+az+3x+3y+3z
=(ax+ay+az)+(3x+3y+3z)
=a(x+y+z)+3(x+y+z)
=(x+y+z)(a+3)