A rectangle has base length x + 7, altitude length x + 4, and diagonals of length 3x each. What are the lengths of its base, altitude, and diagonals?

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.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?