Mr. Zavala got a haircut that cost $12.00. He left a 25% tip. How much money did he leave for a tip?

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

The sales tax for an item was $8.40 and it cost $420 before tax. find the sales tax rate. write your answer as a percentage.

To get to school each morning, vanessa takes a horse 19.3319.33 kilometers and a train 2.272.27 kilometers. in total, the journey takes 26.4826.48 minutes. how many kilometers is vanessa's journey in total?