Answer:
option A and B

and

Step-by-step explanation:
we have

The formula to solve a quadratic equation of the form
is equal to

in this problem we have

so

substitute in the formula


so

and

Answer:
48
Step-by-step explanation:
The rule is every parent means 8 students.
6 * 8 is 48.
To graph the equation of the line, find the x-intercept and the y-intercept of the function
we have

we know that
The x-intercept is the value of x when the value of y is equal to zero
The y-intercept is the value of y when the value of x is equal to zero
Step 1
<u>Find the x-intercept</u>
For 



the x-intercept is the point 
Step 2
<u>Find the y-intercept</u>
For


the y-intercept is the point 
Step 3
Graph the points and draw the line
see the attached figure
therefore
the answer in the attached figure
To get it equivalent to 1, you want N to equal 4, as 4/4 is 1
3 5/10 - 2/5
35/10 - 2/5
35/10 - 4/10
31/10=3 1/10 or 3.1