The slope of the line below is –4. use the coordinates of the labeled point to find a point-slope equation of the line.
a. y – 9 = 4(x + 4)

b. y + 9 = –4(x – 4)

c. y – 9 = –4(x + 4)

d. y + 9 = 4(x – 4)

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?