After substituting, what is the first step when evaluating 4y+9/7 when y=8 add 4 and 9. multiply 8 by 4. divide 9 by 7. divide 4 by 7.

How to solve a simultaneous equation involved with fractions?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.