Think of this situation as a system of equations.
let y be the price of hotdogs
let x be the price of hamburgers
5y + 2x = 8
2y + 5x = 9.50
now use your solution method of choice
substitution, elimination, matrices, etc
1 year = 52 weeks
divide annual salary by 52
32,500 / 52 = $625 per week
Answer:

Step-by-step explanation:
we have

To find out f(x+h), substitute the variable x by the variable (x+h) in the function f(x)
so


Answer:
This is not an equation because both sides are not equal.
Step-by-step explanation:
2x+1=2x-1
+1 +1
2x+2=2x
-2x -2x
2=0

The denominator cannot equal zero.
7 - 8x ≠ 0
7 ≠ 8x


Answer:
is not in the domain