Answer:
16 questions right = 80%
So Peter missed 4 questions.
Hope this helps.
:-)
Answer:
Option B.
Step-by-step explanation:
The given quadratic equation is

We need to find the solution of given quadratic equation.
Divide both sides by 9.


Taking square root on both sides.


The solution of given equation are
and
.
Therefore, the correct option is B.
Answer: Nope, she is 29 and still alive
Step-by-step explanation:
Answer: -1, 2 and 4
Step-by-step explanation:
Answer:
Width = 9 km
Step-by-step explanation:
Area is length*width, so to find the width, you divide the area by the length. 63/7 is 9.