Write an equation in point slope form for the line through the given point with the given slope.

(10,-9); m=-2

a. y-9=-2(x+10)
b. y+9=-2(x-10)
c. y-10=-2(x+9)
d. y-9=-2(x-10)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Find the domain of the following expression: 1/(√x)-2