Members of the choir are baking cookies for a fundraiser. it costs $2.25 to make a dozen cookies, and the choirs initial expenses were $15.75. they sell the cookies for $4.50 a dozen. how many dozen do that have to sell to cover their cost

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5