Find the coefficient of x^3 in the expression (2x-1)^6
(Leave out the commas in your answer)

See attachment below and find the equivalent of tan(∠qsr)

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site