What is the value of 3x+3y?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Me asap the graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants according to the line of best fit about how many ounces of frozen yogurt can someone purchase for $5? 1 cost of frozen yogurt 1.5 2 13 15.5 cost (5) no 2 4 6 8 10 12 14 16 18 20 size (oz)

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?