0=3.3(0)-33110 what is the answer to this?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5

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.