In your class, you have scores of 78,86,92 and 94 on the first four of five test. To get a grade of a B, the average of the first five tests scores must be greater than or equal to 80 or less than 90

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

95.03 is the answer. hope this !

do you have a picture of the table