Ocho veces un numero aumentado en 30 es igual a seis veces el mismo numero, aumentado en 50.¿De que numero se trata?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Im so bad at fractions they are not my best math thing to work on