Answer:use a calculator
Step-by-step explanation:
Answer - to solve for the equivalent equation of r you would need to use the formula r=c/pi2.
Answer:
B
Step-by-step explanation:
To go from 6 to 9 you'd first have to divide 6 by 2 and the multiply by 3,
so
x 3 = 
Answer:
5:3
Step-by-step explanation:
When the ratio says x:y=5:1, it means that x is 5 times greater than y. So, plug in 5 for x and 1 for y.
4(5)+5(1):3(5)
20+5:15
25:15 , if simplified then the ratio 5:3
The rule is that: You are adding 5 each time
5(100) + 4 = 504
Your answer should be 504
hope this helps