Ashelter has enough food to feed an average of 80 hungry people a day for 14 days. if an average of 32 people are at the shelter each day, how long will the food last?

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?