You ride through some wet paint on your bike, creating a red spot on the tire. Write a cosine equation to model the height of the red spot over the distance you ride. • Your bike tire has a radius (r) of 12 inches. • The period is the circumference of the tire (2pi r). Start the cycle when the spot is at the top of the tire. (answer choices in picture)​

7x+8y=-18, 4x-9y=-3 solve the system of equations

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).