Answer:
-4d-18
Step-by-step explanation:
Combine like terms:
-2d and -2d can combine since they have the same variable of d creating the term of -4d and -9 and -9 can combine to create -18. Put those together and you get the answer above.
Answer:7.5%
Step-by-step explanation:
decrease the number of visitors from Alec´s website from February to the next month.
The percentage of students voted for colour crimson
=

hope it helps!
Answer:
75 %
Step-by-step explanation:
100$= 100%
1$= 1%
75$ (left)= 75%
Answer:
1= 0.25feet per 1 second
2.= 120 seconds
3. 72 seconds or 1 minute 12 seconds
Step-by-step explanation:
1.= 2/8=1/4=.25
2.= 50-20=30
30/.25=120
3.= 18 feet/.25 feet= 72 seconds