The biologist is expecting the number of salmon to rise during salmon season. If the ratio stays the same and he expects 120 steelhead, how many chinook should he expect to count ay the dam

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

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?

Ill mark the brainliest if you me with the these three questions 7,8,9