1. which numbers below are best classified as Rational nombers? Select all that apply. .032
20/4
-2
-2/3
99/2​

All are rational numbers.

Step-by-step explanation:

1)0.032 is rational because it is terminating number.A terminating number is always rational.

2)20/4=5. It is also a rational number becasue 5 is natural/whole number.They are also rational.

3)-2 is an integer and also falls in rational numbers.

4)-2/3=-0.666

It is a non-terminating and recurring number.This category also falls in rational.

5)99/2=49.5

It is also a terminating number it is a rational number.

Note: all above numbers can be written in p/q form.

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be