Answer:
......No
.......Yes
.....No
......Yes
Step-by-step explanation:
Let the number of students in Byran's homeroom who have tickets to attend the school's musical be m.
Then 4 more than half this number is written as: 
According to thee given statement, this expression is equal to 20.

We can subtract
from both sides to create an equivalent expression.

For this problem plug in the given x and y values:
For the first one: No
second one: No
third one: Yes
fourth one: No
Answer:
3
Step-by-step explanation:
"" = x^(0.5*(-2))*y^(-0.25*(-2))*z^(-2) = x^(-1)*y^(0.5)*z^(-2) =
(1/x^1)*y^(0.5)*(1/z^2) = 3
You would make 3,600a year. Hope this helped!