a company that manufactures computers has a monthly fixed cost of $1,000. if it sells 400 computers each month, what is its average fixed cost?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2