On her way to visit her relatives, Jessica drives 180 miles in 4 hours. What is her average rate of speed in miles per hour? ASAP!!!

Can any one me with the answers to these questions asap?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?