Jessica and Jonathan do some research to gather all their ingredients and figure out their costs. As shown in the table below, they will use 6 containers of lemon juice, which each contain 0.75 cup of juice. What is the total volume of lemon juice they will use in their recipe, in cups?

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%