Please help asap 30 points plz help

Write 5 numbers that round to 740 when rounded to the nearest 10

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11