Story problem: Find the plane's resulting speed?

A plane is heading due north with a ground speed of 405 mph. A 30 mph wind is blowing at a bearing of 48degrees. find the planes resulting speed.

Linear velocity

find the linear velocity of a point on the edge of a drum rotating 52 times per minute. The diameter of the wheel is 16.0in. Please show me all the steps thank you

Trigonometric Identities

use identities to find the exact values of each of the following: please show me the steps Suppose x=7*pi/12 a. sin x (using the difference identity) b. cos x (using the half-angle identity)

verify the following identity

sec0 * cos 2*0 = 2*cos0 - sec0

Evaluate complex expression

a. write 2 + sqrt(-16) in standard form b. (4+i)/(3-2*i)