40 + 30s = 220
30 for each student (s) and the one charge of 40 would get the tutor 220 dollars.
The expression is Undefined for x=0, assuming you intend 1/(-8x).
x=0 is "nonpermissible"
Answer:
236 cubic units (to 3 significant figures)
Step-by-step explanation:
volume of a cylinder =
r²h (where r = radius and h = height)
Therefore, volume =
x 5² x 3
=
x 25 x 3
= 75
= 236 cubic units (to 3 significant figures)
Answer: is there suposed to be a symbol between the 2x and the 2?