Y = 4x + 50
y is height, 4 meters per second (x), 50m initial height
Answer:
7.5 ?
Step-by-step explanation:
Your answer is A. Y=5- 1/3x
Answer:He is wearing a coat and the temperature is below 30°F.
Step-by-step explanation:
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



therefore

Part 2) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



simplify

therefore
