The slopes of perpendicular lines are? will give brainliest for correct answer

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?