Answer:
complementary angles
Step-by-step explanation:
Complementary angles are (by definition) a pair of angles the have a sum of 90°.
Answer: Answer is C.
Step-by-step explanation: It is because positive numbers go to the right, and negative numbers to the left.
Hope that helps :)
Y is 7.5
A easy way to do it is simply graph it or divide it!
For instance, since x=5 is half of x=10, we would just divide 15 by 2 to get Y which is 7.5
56 is the answer so it's A, C and E.
