La tabla muestra el tipo de cambio del dólar estadounidense en pesos mexicanos durante la primera mitad de 2016. ¿Cuál es el valor de la media aritmética o promedio?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

What is the inverse of the function f(x) = 2x + 1?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)