Ben paid $3.97 in sales tax on an item that cost $56.00 before tax. At that rate, how much would he pay in sales tax for an item that costs $145.00 before tax?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75