HURRY UP PLEASE !!

5 x 2 - 21 = 39 ; Solve and what are the x-intercepts of this quadratic equation ?

An advertisement is on a flyer that has a thickness of 8.2 × 10-5 meters. each measurement below is the thickness of a stack of flyers. drag each measurement to the correct stack.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?