Answer:
Cone and cylinder are the two solid shapes which are when joined together form a new shape that has three faces, two edges and one vertex.
Answer: 30 days
<u>Step-by-step explanation:</u>
Working together, E & B get 1/45 of the job done per day
Working alone, C gets 1/x of the job done per day
Working together, E, B, & C get 1/18 of the job done per day.

The maximum number of intersection points of a parabola and ellipse is 4.
Answer:
v=125 cubic inches
Step-by-step explanation:
V=s^3
s=5
V=5x5x5
v=125 cubic inches
Answer:
7
Step-by-step explanation:
heres a model
A ----------R---------D
A ----?-----R----8---D
A----------15----------D
15 - 8 = 7
AR = 7