En un rectángulo el largo mide x + 7 y el ancho mide x + 2. Si él área del rectángulo mide 36 pulgadas cuadradas. Calcula el perímetro

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.

Polynomial that can be factored as (3x-4)(3x+4)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees