At 4pm, shawn leaves his house and drives to the park. he gets to the park at 5pm. his brother sam leaves their house at the same time and drives to the beach, 30 miles past the park in the same direction. sam got to the beach at 5: 30pm. if both shawn and sam drove the same speed for the entire trip, what was their speed in miles per hour?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Interpret the following expression (5y^2-7)^3/(2y)^2

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet