A bag contains 150 marbles. Some are red and the rest are black. There are 28 red marbles for every 2 black marbles. How many red marbles are in the bag?

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Describe what moves you could use to create the transformation of the original image shown at right

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.