144 cm3 is what i came up with!
1 pound = 16 oz
Her books weigh 9 pounds or (9)(16)= 144 oz
Math Textbook= 40 oz
Biology textbook= 3 pounds or (3)(16)= 48 oz
Total weight of books - math textbook - biology textbook = science textbook
144-40-48 = 56oz
science textbook = 56oz
It’s rational because the square root of 0.49 is 0.7
Answer:
If I had to take an educated guess I'd say 126° but I'm not 100% sure.
