The sales tax of an item was $9.20 and it cost $460 before tax. find the sales tax rate. write your answer as a percentage

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?