A family wants to buy a new computer. The regular price is $849. The store is offering a 20% discount, and a sales tax of 6% is added after the discount. What is the total cost of the computer? A. $169.80

B. $679.20

C. $719.95

D. $789.75

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.