Answer:
He gave 46 to Tom
Step-by-step explanation:
He started is 51 notebooks- 15 + 17 + 19 = 51
He then gave some away until he only had 5 left 51 - 5 = 46
C. y=2x+1
2×3=6
6+1=7
2×0=0
0+1=1
2×-1=-2
-2+1=-1
therefore answer=C
(x-20)(x+3)
the standard form of the equation is: a. y=7x^2-42x+67
