Radius is half of the diameter so the radius of 4 is 2
The answer is 4.1
If the number is below 5, you round down, if it's 5 or above, you round up.
If you simplify the expression you will get 18x - 15.
Answer: 90
Step-by-step explanation:
83, 86, 90, 92, 99
90 is in the middle <3
Answer: 
Step-by-step explanation:
Let x be the price. 20% (0.20) 7.25% (0.0725)
