Answer:
c² - 63
Step-by-step explanation:
4c - 10 = 30
3c ÷ 3 = 10
c² - 63 = 37
c² ÷ 10 = 10
Since c² - 63 = 37 and c + 25 = 35, 37 is greater than 35 so it would make sense to choose c² - 63 as the answer.
c + 25 < 37
I hope this helps you :D
Answer: 12 hours
Step-by-step explanation:
Given : Working together, it takes Sam, Jenna, and Francisco two hours to paint one room.
When Sam works alone, he can paint one room in 6 hours. When Jenna works alone, she can paint one room in 4 hours.
Let 't' be the time taken by Francisco to paint one room on his own.
Then , we have
Rate of work of Sam +Rate of work of Jenna + Rate of work of Francisco =Rate of work they all do together

i.e. 
i.e. 
i.e. 
i.e. 
i.e. 
i.e. 
i.e. t= 12
Hence, Francisco would take 12 hours to paint one room on his own.
Answer:
1
Step-by-step explanation:
(((a/b)^(-4))^0)=
((b/a)^4)^0)=
((b^4)/(a^4))^0=
1
(ANYTHING to the power of 0 is equal to 1)
1. A model of a famous statue is
inches tall that is
in.
2. The actual statue is
feet tall that is
3. The ratio of the height of the model to the height of the actual statue in simplest form is

Answer: 
Answer:
98
Step-by-step explanation:
Add them all up. 60+20= 80+18 = 98.