If a rectangular cross-section with coordinates at (1, 1), (1, 4), (3, 4), and (3, 1) is rotated about the line y = 1, what will be the resulting three dimensional object?

A. cone
B. cylinder
C. sphere
D. pyramid

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)