A local fast food restaurant takes in $7,500 in a 3 hour period. Write a direct variation equation for the relationship between income and number of hours. Estimate how many hours it would take the
restaurant to earn $20,000.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.