19 )
19. James wrote a different integer from 1 to 9 in each cell of a 3 x 3 table.
He calculated the sum of the integers in each of the rows and in each of the columns of the table.
Five of his answers are 12, 13, 15, 16 and 17, in some order.
128
3 64
97
5
What is his sixth answer?!
(C) 15
(E) 13
(D) 14
(A) 17
(B) 16 13 15

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

what was there favorite food

why are you giving so many marks make your marks less and make a question list so that i can understand your question very nicely

the answer to this in exact form is 4/35 but in decimal form its 0.1142857

hope this if needed hmu