Answer:
7
Step-by-step explanation:
Put √49 in a calculator and it will give you 7.
To prove that MANE is a parallelogram, you need to show that opposite sides are parallel. Use the slope formula to show that opposite sides have the same slope.

A prime number is one that can not be nicely divided by a number besides itself. The one between 17 and 23 is 19 and its double is 38.
32 is the geometric mean of 16 and 48.
The answer is 72 because you have to add all sides including the ones you don’t know