Is y=x^2 -1 linear and, if so is it proportional or nonproportional.

Nine more than four times a number is the same as one less than twice the number. find the number?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge