Jake scored a 94 on his last quiz, which was exactly 2 standard deviations above the mean of his class. If the standard deviation was 3, what was the mean grade on the quiz?HEL

The system of equations graphed below has how many solutions?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x