Answer:
30 hours/a
Step-by-step explanation:
10x3=30
Answer:
nah me too
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.
Answer:

Step-by-step explanation:
Angles on a straight line add up to 180 degrees.
We can create an equation.
x + 165 = 180
Solve for x.
Subtract 165 from both sides.
x + 165 - 165 = 180 - 165
Simplify the equation.
x = 15
Answer:
x-y=3
Step-by-step explanation: