Answer:
17
Step-by-step explanation:
Your answer is A. You literally plug in the numbers for a and b to solve for the equation.
Answer:
40 Degrees
Step-by-step explanation:
A triangle has a total of 180 degrees therefore if you add up the angles and then subtract by 180 you would get 40 degrees.
30 divided by 4 equals 7.5 or you could round it up to eight if the answer is supposed to have only one digit.
The answer is x=15 hope this is right