John wants to simplify the expression (5+3)^2.as a first step he writes 5^2+3^2.will he get the correct value for the expression

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.