I would say D, determine if it can be factored by grouping (sorry, I forgot to put in the answer here).
Answer:
7 5/6
Step-by-step explanation:
Answer:
66 cm
Step-by-step explanation:
Diameter (d) = 21 cm

So D would be going up because it is positive. It is going up 10ft, once again cause the integer is a positive 10. Now E will be going down because it is a negative. Therefore it will go down 15ft for the reason being the integer is negative 15. Hope this helps.