the selling price of an item is 480$ it is marked down by 30% but this sale price is still marked up from the cost 280$ find the markup from cost to sale price

What value of x is in the solution set of 4x – 12 s 16 + 8x?

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?