Answer:

Step-by-step explanation:
we know that
The Susan's hourly wage, must be equal at least to the sum of her monthly household expenses divided by the number of hours worked at month
Remember that

She works 40 hours per week
so


<em>Find out the monthly household expenses</em>
Sum all the expenses
Rent+ Monthly Bills+Entertainment and Food+Savings
substitute the values

Find out the hourly wage


Step-by-step explanation:
We know that
cos 2x = 2cos²x - 1
So we have

Substituting 

Answer:
y=9/6 (3/2 simplified)
Step-by-step explanation:
2(6y-2)-3y=2
12y-4-3y=2
ad 4 both side
12y-3y=6
9y=6
9/6
5(x-5)^4(x+4)
you raise x-5 to the 4th power because 5 has a multiplicity of 4