Answer:
78 emails
Step-by-step explanation:
Given
Represent sent emails with x and received with y.
So, we have:
-- First statement
-- Second statement
Required
Determine the number of emails received (y)
Make x the subject in 

Substitute 114 - y for x in 

Open bracket

Collect Like Terms


Divide by 3


Answer:
1 5/12
Step-by-step explanation:
You can do the opposite of this problem to get the answer. 2/3 + 3/4 = 1 5/12. You can confirm this answer by doing 1 5/12 - 3/4. Therefore, 1 5/12 is your answer.
Answer:
C. 
Step-by-step explanation:
Recall: SOHCAHTOA
Thus,

Reference angle = 28°
Adjacent = 15
Hypotenuse = 17
Plug in the values

(3*z) +13
I believe this is correct
Answer: - 4/3
Step-by-step explanation:
0 cannot be a negative, so if it 0,0 between -4,3 it obviously -4/3