Lana expected 50 people to come to the picnic, but 60 people actually showed up. Calculate the percent error.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3