Ok! So first, 2 hours are 120 minutes and 55 + 35 = 90
120 - 90 = 30
So the answer is A. Cindy spends 30 minutes on History
Hope it helps!
Answer: 28 computers
Step-by-step explanation: First you would do 4 times 6, then add that to 4. 4 times 6 = 24+4=28
For those who may need it in the future, the answer on e1010 is actually: C: 10
Answer:
12-12
Step-by-step explanation:
hope this helps tell me if it's right
Answer:

Rounded to the nearest hundredths: 11.69.
Step-by-step explanation:
I would use the Pythagorean theorem for this problem.
The difference between the highest point and the lowest point of AD is 9.8-7.2 = 2.6, so that would be the height of the triangle. The length/base of the triangle would be 11.4.
Now, just solve using Pythagorean's theorem:

Rounded to the nearest hundredths: 11.69.
I hope this helped you.