Answer:What are Whole Number? ... 17, 99, 267, 8107 and 999999999 are examples of whole numbers. Whole numbers include natural numbers that begin from 1 onwards. Whole numbers include positive integers along with 0.
Step-by-step explanation:
The slope is 2/3 you’re welcome :)

Thickness of the book is ~
Refer to the attachment for solution ~
A proportional relationship is also a direct variation.
The general equation of direct cvariation is
y = kx,
where k is a number.
In your case, if k = -1, then y = kx becomes y = (-1)x which is the same as
y = -x
Average speed is given by [Total Distance] ÷ [Total Time]
Average speed =

km/hour