20 marbles in a bag 5 are red whats the probability of pulling 3 red without replacing

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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?