Answer: 48 books
Step-by-step explanation: Start by converting 60% to a decimal/fraction (60/100). From there, you can multiply it by the total (80) to get the answer.
Answer:
A and B
Step-by-step explanation:
This is correct on khan academy!
L = 2×π×r
9π cm = 2πr
9 cm = 2r
r = 4.5 cm
The answer is 1/4!
The answer is the last one. Gravity doesn't have direct contact but it is a force we are all affected by.
Let's solve ~
Hence, the correct choice is D
