A cuboid of length 400 cm, breadth 220 cm and height 120 cm is to be made. Find
the cost of polishing the box if the rate of
polishing is 24 per m square

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

What is the slope of the equation y =

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