Please help me with this assignment. I would really appreciate it. I only need questions 1,3,5,7,and 11 done.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

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