Answer:
(B)permits only certain substances to leave but all to enter
60 because you turn 240 into a fraction so it would be 240/4 which means division so you get 60
<span>the volume of a cylinder is 80pi cubic inches; if the radius is 4 in. find the height</span>
Answer:
-7/20
Step-by-step explanation:
3/10 ÷ -6/7
Copy dot flip
3/10 * -7/6
-21/60
Divide the top and bottom by 3
-7/20
4*(2x+1)=(2x+1)+(2x+1)+(2x+1)+(2x+1)=
2x+2x+2x+2x+1+1+1+1=
=8x+4
I hope this is ok !