Katia was solving the problem below. After working through a few steps, she decided to confer with her friend Randi. Randi found an error in Katia's work. Describe the error you see.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)