Answer:
A
Step-by-step explanation:
i am pretty sure its A because on the top one their is one negative and all of the other one are positive.
Answer:

Step-by-step explanation:
Jacob had math homework on 81 evenings.
Step-by-step explanation:
Time spent of each evening = 1/3 of an hour
Time spent in minutes = 
Total time spent = 27 hours
Total time spent in minutes = 27*60 = 1620 minutes
Let,
x be the number of evenings spent doing math homework.
Time spent each day* Number of evenings = Total time spent

Dividing both sides by 20

Jacob had math homework on 81 evenings.
Keywords: multiplication, division
Learn more about division at:
#LearnwithBrainly
Factorize the numerator and denominator. You'll see that they both have a factor of 4 that can be canceled. The introduce a factor of 3 to change the denominator to 36.

5x+1(6-4) = +1(5x6)-(5x)
this would be a hard question to answer but i think i can do it ((( nNOTTTT))))