Y = (x/7) - 4; this would be the equation, assuming x is the number.
1. second option
2. first option
Answer:
b. complementary
Step-by-step explanation:
-Complementary angles are angles that add up to 90°.
-These are usually the two acute angles in the right triangle.
#To verify, lets take the two angles 30° and 60°:

#We can reverse as:

Hence, two angles are said to be complimentary if they sum up to 90°.
Answer:
81
Step-by-step explanation:




Answer:$120
Step-by-step explanation
I had homework over this a day ago