Ayuda con mi tarea de matemáticas , dice asi : en una biblioteca hay 5 estantes , 2/5 de uno de ellos está ocupado por libros de historia , 7/2 por libros de matemática y 11/10 por libros de inglés. hay espacio en la biblioteca para colocar mas libros?

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Write the standard form of an equation with (see picture below)