Always because the sum of x and y is 180 degrees. If x and y are right angles, then x and y are supplementary angles. Never because the sum of x and y has to be 90 degrees. If x and y are complementary angles, then y is a right angle.
Answer:
8+7=21
Step-by-step explanation:
Answer:5.5
Step-by-step explanation:
You take the ratio divide then multiply by 2
9 students earned an 85 or higher.
2 earned 85
1 earned 86
3 earned 91
1 earned 94
2 earned 95.
2+1+3+1+2=9
