ANSWER
The correct answer is A

<u>EXPLANATION</u>
We were told that Zada is paid at an hourly rate of $
per hour.
The unit rate of payment represents the slope of the straight line graph that models Zada's earnings. Thus 
When she works for 4 hours she earns a total of $68 tells us that the point,
lies on the model straight line.
Using the formula for the point slope form

we obtain the equation as follows.

Answer:
remainder = 
Step-by-step explanation:
The remainder is the value of the subtraction of the last 2 lines in the procedure.
5x - 9
- (5x - 10)
That is
5x - 5x = 0 and - 9 - (- 10) = - 9 + 10 = 1
over the divisor x- 2 , gives
remainder = 
Answer:
C
Step-by-step explanation:
The lower quartile is the value at the left side of the box, that is
LQ = 14
The upper quartile is the value at the right side of the box, that is
UQ = 28
The median is positioned at the vertical line inside the box. that is
Median = 21
Answer:
C
Step-by-step explanation:
C. Both a function and a relation