Q: ms. jensen surveyed her class and found that 2/3 of her students has a dog. of those students who have a dog, also have a cat. what fraction of the students has both a dog and a cat?
answer choses:
a. 2/7
b. 1/6
c. 3/7
d. 2/15

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

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?

Use the squared identities to simplify sin^2x cos^2x