Solve the equation. Check your answer

| -7x| =49

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

With number 11 ( show how you got the answer)