Answer:
The cost of the paper book= $12
Step-by-step explanation:
Hardcover books costs $21
But paper book cost only a fraction of the hardcover book.
The paper book cost 4/7 of the hardcover book.
The cost of paper book= 4/7* paper book
The cost of paper book = 4/7*$21
The cost of the paper book= 4*3
The cost of the paper book= $12
Answer:
Step-by-step explanation:
D: An angle that measures less than a right angle measures
434÷3≠ 144.66 That is the answer using calculator.
Answer:
A=hbb/2 hope this helps :)
Step-by-step explanation: