Answer:
x=3.
Step-by-step explanation:
2x+9=15
2x=15-9
2x=6
x=3
4x=15
x=15/4
Total Cost = 55+0.35x
X represents the amount of minutes you spend talking on the phone.
Answer:
13 1/2
Step-by-step explanation:
this is surely the answer. 13.5
180-(92+86)
Since it's a triangle the sum of all angles is 180. So 180-86-92=2
The mode in a set of data is the number that appears most often. In this case, the mode would be 12.