If the formula is a+b-c then you need to substitute the letters with the numbers. For this equation the formula would be:
(1+3-4) + (2+5-6)
(4-4) + (7-6)
0 + 1
=1
The answer would be 1
Answer:

Step-by-step explanation:

2 .............:)
Good luck
Answer: Senior: $8, Child: 14
Step-by-step explanation:
3s + c = 38
3s + 2c = 52
c = 14
3s + 14 = 38
3s = 24
s = 8
Answer:

Step-by-step explanation:
the coordinates of midpoint is average of x value of endpoints and average of y value of endpoints