Step-by-step explanation:
AC+CB+BA=180
2x+23+3x-8+4x+1=180
9x+16=180
9x=180-16
9x=164
x=164/9
x=18.2
Answer:
Step-by-step explanation: you answered the question
Answer:
B
Step-by-step explanation:
The contracted phone plan will have the same steepness and a higher y-intercept.
Answer:

Step-by-step explanation:
The formula of a volume of a cylinder:

r - radius
H - height
We have the radius r = 12cm and the height H = 20cm. Substitute:

The formula of a volume of a cone:

r - radius
H - height
We have the radius r = 8cm and the volume V = 2880πcm³. Substitute:
