Three friends rented a kayak. it cost $4 per hour per person to rent the kayak, plus $2 for each life jacket, and $3 to park the car. it cost $57 in all. how many hours did they spend kayaking? write an equation and solve.

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.