Pls help 10 points what 3d object is generated by rotating the rectangle about the x-axis.
a. a cylinder. with a radius of 2 and height 4
b. a cone with a radius of 4 and height 2
c. a cone with radius2 and height 4
d. a cylinder. with a radius of 4 and height 2

What is sin 7x/4 ? i need on this urgent trig

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.