Answer: 59
Step-by-step explanation:


The denominator of a fraction can't be equal to 0.

The function is undefined at x=-1, x=2, x=4, because for these values the denominator of the function would equal 0, and it's impossible to divide by 0.
Edward is correct.
Answer:
4.4 cm
Step-by-step explanation:
To solve this problem, we have to remind the conversion factor between feet and cm. We know that:
1 foot = 12 inches
1 inches = 2.54 cm
So,

In this problem, Sarah's height right now is
h = 148 cm
She wants to be 5 feet tall by her next birthday: it means that her height should be

Therefore, she needs to grow by:

So, she needs to grow 4.4 cm more in order to be 5 feet tall.
Answer:
The diagonal distance across the plaza is 7141.8 meter. Step-by-step explanation:
Given : Elise walks diagonally from one corner of a square plaza to another. Each side of the plaza is 5050 meters.
To find : What is the diagonal distance across the plaza?
Solution :
We have given the side of a square a=5050 m
The length of the diagonal is multiply the length of square with square root 2.

Substitute the value of a in the diagonal formula,


Nearest tenth = 7141.8 m
Therefore, The diagonal distance across the plaza is 7141.8 meter.