Answer:

Step-by-step explanation:
<u>Step 1: Find the square root of 81</u>
<u />



Answer: 
Circumference of circle = pi*diameter = 13pi cm
Area is pi*d^2/4 = pi*13^2/4 = 42.25pi cm^2.
You can solve this problem two ways.
1. Divide 68g by 100 to get how many grams per pound and multiply that by 150. This is the hard way.
2. Multiply 68 by 1.5 to get your answer. This is possible because 150 is 1.5 of 100, so multiplying the amount for 100 by 1.5 gives you your answer.
Answer:
A
Step-by-step explanation:
x = 0
y = -3