a) De un grupo de 100 alumnos se obtuvo la siguiente información: 28 estudian inglés, 30 estudian alemán y 42 estudian francés; 8, inglés y alemán; 10, inglés y francés; 5, alemán y francés y 3, los tres idiomas. ¿Cuántos alumnos estudian otros idiomas?

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.