Danielle’s text messaging plan costs $8 for the first 550 messages and 15 cents for each additional text message. If she owes $8.60 for text messaging in the month of October. How many text messages did she send that month?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m