Suppose The correlation coefficient between a baby’s weight and the price of a computer is 0.87 which statement must be true

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

What are the exclude value of mn+3m

Factor and solve to find roots x squared -x - 90 =0