An object with a mass of 50 kg is supported at a height of 3 m above the ground what’s the potential energy of the object with respect to the ground

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.