(show work for both parts)i will give out brainliest! you estimate that there are 66 cars in a parking lot. the actual number of cars is 75. a. find the percent error b. what other estimate gives the same percent error? explain your reasoning

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Are the corresponding angles congruent? explain why or why not.