Are these three different questions? if so:
1: add 19 to both sides to get a = 3 +19
answer: a = 22
2: multiply both sides by 7 to get y = 10 * 7
answer: y = 70
3: divide both sides by 5 to get g = 100/5
answer: g = 20
hope this helped! good luck :)
Answer:
No.
Step-by-step explanation:
It is given that Darius is putting tiles on the roof of his house.
Darius had completed =
th of the work
He takes time =
hours to complete
th of the work
The remaining work = 


∴ Darius completes
th of the work in =
hours
So,
th of the work in =
hours
hours
Therefore total time taken to complete the work
hours
hours
hours
hours
hours
Thus, Darius continues to work at the same rate will not be able to complete the work in 4 hours.
I do. what you have to do is multiply 23 gallons by how far it can go for each mile (22.3) which gives you 512.9 miles exactly
Step-by-step explanation:

Factor by grouping,

Complete the square, with the x variables,

Factor out 25 for the y variables

Complete the square

Simplify the perfect square trinomial

Make the right side be 1 so divide everything by 25.

Here our center is (7,2).
Answer:
28/3
Step-by-step explanation: