Answer:

Step-by-step explanation:
we are given that

since m is greater than or equal to 0 it's a positive number therefore, the square root of m is defined and recall that √x²=|x| thus

remember that,|a|•|x|=|ax| hence,

and we're done!
Answer:
A. Opens up with a vertex at (5,-4)
Step-by-step explanation:
Apex
Answer:
7n^2
Step-by-step explanation:
Multiply 8/n by 7n/7n to get 56n/7n^2
Answer:
chances are 10.5
Step-by-step explanation: