Answer: The correct answer is Choice C.
Step-by-step explanation: In order to solve this problem you need to look at the equation’s parts.
The first part is multiplying 5 by the contents of the parenthesis. So, 5(2x-2) equals 10x - 10. Now, but the equation together and simplify it:
10x - 10 + 10x =
20x - 10
Answer:
The volume of a cylinder:

Step-by-step explanation:
To find the volume of a cylinder, you need the this formula:

-Use the given height and radius for the formula:

-Then, solve the formula:




So, the volume of a cylinder is approximately
.
Answer:
y=12
Step-by-step explanation:
Use order of operations. Subtract 18 from both sides and the divide by 2.
2y+18 -18=42-18
2y=24
y=12
Step-by-step explanation:
1st digit is 1 number (1)
2nd digit is (3,4,5) so it's 3 numbers
third digit is (6,7,8,9) is it's 4 numbers
last 7 digits is 10 (0,1,2,3,4,5,6,7,8,9)
multiply
1*3*4*10=120
so answer is 120 phone numbers