Zach and his friends had a movie marathon on saturday. every movie they watched was 2 hours long. seven hours into their movie marathon, zach and his friends had watched 3 1/2 movies. write an equation in standard form that expresses the number of movies they watched, y, as a function of the number of hours they spent watching movies, x.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Solve for x, y, and z. show all steps.

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases