Answer:
B.
Step-by-step explanation:
Answer: Use the formula.
Step-by-step explanation: The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.
Answer:
B because it represents the lowest value
Step-by-step explanation:
Find 20% of 45.80
0.20 * 45.8 = 9.16
So they should leave $9.16 for the tip.
Answer:
9 inches
Step-by-step explanation:
(x + 2)² = 121
√(x + 2)² = √121
x + 2 = 11
x + 2 - 2 = 11 - 2
x = 9