19. Currently, telephone area codes are three-digit numbers whose middle digit must be 0 or 1
Codes whose last two digits are l's are being
used for other purposes, for example, 911. With
these conditions, how many area codes
are
available

1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )

answer4 to the second power is 16

and 4 to the third power is 64,