You add 7 to 19, so 26 and then divide it by 4.
X= 6.5
Answer:
The student's mean score in the class is 80.6
Step-by-step explanation:
we know that
To find out the student's mean score in the class, multiply each score by its worth and adds the numbers

therefore
The student's mean score in the class is 80.6
Answer:
no real solutions
3±32i
Step-by-step explanation:
used quadratic formula
Same sign add different sign subtract that means if their both positive you add and if one is positive and the other is negative you subtract
30/4 is also equal to 7 1/2.
30/4 = 7.5