Step-by-step explanation:
(b) If
then
Note that
cancel out so we get

Solving for
we get

(c) I'm not sure what the problem is asking for but here goes. As r doubles,
becomes

Answer:
4 pieces for the shelves
Step-by-step explanation:
3/4×4=3
Answer:
D- HM
Step-by-step explanation:
A ray has one point and one side that goes on forever. We see this expressed with HM
HK is a line
HM is a ray
x -8
___________
x+3 I x² -5x -22
x² +3x
---------
-8x -22
-8x -24
-----------
2
the remainder is 2.