Sue wants to buy an air conditioner for her bedroom. She has been told that the air conditioner needs to have 20 BTUs (British thermal units) per square foot to cool her bedroom. Her bedroom measures 15 feet by 12 feet.
Enter the number of BTUs needed to cool her bedroom.

What does the sign of the slope tell you about a line?

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.