Write an expression that can be used to solve the problem.

during practice, it took shawn 27 min to swim 81 laps.

if shawn swam at a constant rate, how long did it take him to complete each lap?

a. 27 x 81

b. 27+81

c. 81/27

d. 27/81

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown.which dog sitting service is more economic to use if you need 5 hours of service? explain.

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)