Answer:
Penny will walk 2 and 1/8 miles in one hour.
Step-by-step explanation:
4 and 1/4 divided by two = 2 and 1/8
Answer:

Step-by-step explanation:
the square root of what ever the area is. Area is length times width, but if all sides are the same then you just have to find the square root.
Answer:
A
Step-by-step
If i ever explain the height of a cylinder is would say from the top to the bottom. So A is the correct answer
Answer: x^2 + 4x - 1
Step-by-step explanation: simplify it