Sosceles trapezoid abcd has legs ab and cd and base bc ab=6y-6 bc=4y-7 and cd=7y-12 find the value of y

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?

P= price tax is 4% added to the price. which expression shows the total price including tax?

What is the least common multiple of 8, 12, 7