Will give brainliest ! show work so i can understand this

A) Convert the percentage to decimals.

40%= 0.40

Divide, 0.40/15.0

= 21.00

$21.00 dollars is the price of the book.

B) For this, we start off with finding the discounted price.

38*.25 (converted percentage)

plus 6% of the discounted price.

The book costs $28.56

For your third question:

Convert 90% to a decimal

= 0.9/40 = 36

He answered 36 questions correctly.

Hope this helps!~

answer: b)

step-by-step explanation:

its a dot plot because since the score is not high numbers.

- r3ktforgood ☕

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2