- Complementary angles add to 90 degrees.
- Supplementary angles add to 180 degrees.
- Vertical angles are equal.
So, the answers are (in degrees):
6) 47, 137, 43
7) 49, 131, 49
8) 18, 72, 18
9) 13, 77, 167
Answer:
Since there is 10% off of the price, the new cost is 90% of the original. So we just multiply the price by 0.9
Answer:
First option
Step-by-step explanation:
The result of first expression:
7(6+z) multiply 7 with inside the parenthesis
7(6+z) = 42 + 7z
the result of second expression:
since we need to do multiplying first,
7*6 = 42 and 7*z = 7z
then we add them
42 + 7z this is the same result we found for the first equation
Answer: 88%
Step-by-step explanation: