Step 3 is wrong.
It should be 4/7 / 5/8
4/7 x 8/5
32/ 35
20)
using
<span>a^3 + b^3 = (a+b)(a^2 − ab + b^2)
</span>so
w^3 + 125z^3
= w^3 +(5z)^3
= (w + 5z)(w^2 - 5wz + 25z^2)
hope it helps
The answer: Dustin spent $66
$52+$49=$101
$101-$35=$66
Answer:
40%
Step-by-step explanation:
i used a calculator
A) No one in the class studied more then 5 hours