Answer:

Step-by-step explanation:

Answer:
j
Step-by-step explanation:
Answer:
65 calories=15 minutes
Find how many minutes it will take Paul to born 1 calory. You divide 65 by 15
65÷15=4.333
Find how many calories lost in 1 hour= 60 minutes multiply by 4.3
60*4.333=260 calories
Therefore,
Paul burns 260 calories in 1 hour
Answer:
A
Step-by-step explanation:
A parabola opening up will have a positive value for the a value in ax^2+bx+c form. Also, the larger the absolute value of the a value, the more narrow the parabola will appear.
Hope this helps!