Advd costs $20 the sales tax is 6.5% how much sales tax do you have to pay

What is the average rate of change for this function for the interval from x=2 to x=4 ?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]