Given f(x) = 6x+3 is the function for how money is made selling popcorn at the volleyball game where $3.00 is cost for supplies and xis the amount of popcorn boxes sold. If only 10 students bought popcorn, what would be a reasonable domain and range for this function?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0