Answer This: Write a real-world word problem that can be solved using elapsed time. Include the solution. (No Screenshot needed)

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)