Diana bought some apples for $20. Which of the following represents the domain of this function ?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

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

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