The letters r and θ represent polar coordinates. perform the following.

r = 5/r-4cosθ

cross multiply then convert the polar equation to rectangular form

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

In the diagram, gef and hef are congruent. what is the value of x

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values