Answer:
rjogir
grggreijgojrejow
g
Step-by-step explanation:
Answer:
The direction that the paraboa y=-4x^2-8x-13 open is
Down
Answer: A
Step-by-step explanation:It shows the correct graph
Answer:
carbon footprint
7.7 tons
Step-by-step explanation:
Given that,
carbon dioxide produced by a car over 7 year period = 53.5 tons
To find,
carbon footprint <em>(tons of carbon dioxide per year)</em>
7 years ------> 53.5 tons
1 year -------> 53.9/7 tons
= 7.7 tons
tons of carbon dioxide produced per year = 7.7