B is the answer to your question
He assumes that 60-x and 2x-6 are vertical angles, so he equated these two expressions.
60-x=2x-6
60+6=2x+x
66=3x
x=22
Answer:
like terms
Step-by-step explanation:
they all are terms that include the letter x
So on one die has six numbers, the probability of rolling a 3 on one die is 1/6. So for two die, it would be 1/6 times 1/6= 1/36...
So we're looking at two rectangles, one cut out of the other, so all you do is find the area of the big one, base times height equals area, minus the area of the small one, base times height equals area. So the equation you have to solve for is this,
Area=(12.6X14)-(3X8.4)