The trapezoids at right are similar shapes. Homework Help a. What is the scale factor from shape A to shape B?

b. Find the lengths of the missing sides. 15 m

B

A

30 m

18 m

50 m

y

Which of the following is not a subset of {1,2,3}?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?