Answer:
54°
Step-by-step explanation:

The answer in here is d. 3:1. The reason is founded on the following basic calculation: <span>640/52=12.307. After doing the proportion you will see that he ratio is 3:1. Hope this is useful for you</span>
Subtract the biggest number to the lowest number.
Example: 12,15,16,18
18-12 =6
18 is the biggest number for this data
12 is the lowest number for this data
Just subtract the buggest no. To the lowest no.
Hope it help
2.59 that’s the correct answer
the problem isnt that hard. you need to do the distributive property or FOIL with (m+3) four different times. The answer would be
M^4 + 12M^3 +54M^2 +108M +81