An open box is made from a 30-cm by 70-cm piece of tin by cutting a square from each corner and folding up the edges. The area of the resulting base is 1536 cm2. What is the length of the sides of the squares?

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer