Answer:
They all look right but i'm not sure about the last one?
Step-by-step explanation:
I think the answer is $68.43. $3421.27 x .02 = $68.43
Answer:
The answer is B.
Step-by-step explanation:
12 ≤ r + 22
r + 22 ≥ 12
r + 22 − 22 ≥ 12 − 22
r ≥ −10
I hope this helps you :D
Answer:

Step-by-step explanation:
Hi there!
4x-6y
Plug in the values of x and y:



Thus,
is our final answer.
Hope it helps! Enjoy your day!
~Just a teen willing to help others

Answer:
56.6mm
Step-by-step explanation:
Take the radius and double it to get the diameter
9mm * 2 = 18mm
Multiply the diameter by pi to get the circumference of the circle
18mm * 3.1415 = 56.547mm