If A, B, C are the subset of universal set U, prove that : A-(BU C) = (A - B) n (A - C) = (A - B)- C​

1. are the triangles similar and if so why? what is the value of x? show your work.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

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?