For each $75 gym membership sold, the gym keeps $55 and the employee who sold it gets $20 in commission. The commission the employee earned represents what percentage of the total cost of the gym membership? A. 73.3%

B. 26.7%

C. .267%

D. 20%

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

9/10 divide by -3/15 as a mixed number

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units