The mean would be the best! The mean is when you add up all of those grades and divide by the amount of exams.
If you're solving it,
504 is the total divided by 6 tests would be 84.
Using the definition of vertical angles you can set up the equation 3x+4=115, when solved you get x=37. Hope this helps!
Answer:
10
Step-by-step explanation:
(x−a)(x−b)=x2−(a+b)x+ab
Hope this was helpful----
Answer:
a). x=18x2
18x2=36
Don spent 36 dollars.
b). x=36x0.3
36x0.3=10.8
Brad's sister spent 10 dollars and 80 cents.
c). 36+18=54
1.0-0.13 = 0.87
54x0.87=46.98
54-46.98=7.02
Don and Brad paid 7 dollars and 2 cents in tax.
Answer:
y=-5x
Step-by-step explanation:
