-c +4d
Step-by-step explanation:

Group like terms and simplify

Answer:
D.(5,1),(-5,4),(2,1),(5,2)
Answer:
See below
Step-by-step explanation:
1. Given
2. Given
3. Definition of supplementary angles (add up to 180)
4. Substitution Property (substitute 112 in for angle 1)
5. Subtraction Property (subtract 112 from both sides)
What do you need what is the question
Answer:
the maximum height is 180 or y=180
Step-by-step explanation: