ANSWER
30 in.
EXPLANATION
The formula for calculating the circumference of a circle in terms of diameter is

It was given to us that the circumference is C=30π in.
We substitute this into the formula to obtain;

Divide both sides by π to get,

The diameter is 30 in.
The second choice is correct.
Answer:
69
Step-by-step explanation:
Answer:
minus 5 by 7
Step-by-step explanation:
5 - 7 = -2
2 - 3 = -1
The smaller the negative integer, the bigger the number.
Answer:
8
Step-by-step explanation:
Math
Answer:
To find the slope of this line, you would use the formula
y2 - y1/ x2 - x1
11 - 3 / 1 - (-1)=
8/2
4
The slope of your line would be 4
Step-by-step explanation: