What is the area of a rhombus if one diagonal is 6 centimeters and the other diagonal is 8 centimeters?

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.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did