Jennifer's annual salary increased from $27,000 to $45,000 over the last five years. find the percent increase in her salary during this time period. round to the nearest tenth of a percent.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Need on this geometry question. explain how you did it.

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?