Find the coordinates of the orthocenter of a triangle with vertices at each set of points on a coordinate plane. a. ​(0,0), ​(​10,5), ​(​5,65​)
b. ​(2​,1​), ​(​6,5​), ​(3,8​,​)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?