A bag contains 150 marbles. some are red and the rest is black. There are 14 red marbles for every black marble. How many read marbles are in the bag?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)