Translate the sentence into an equation two less than the product of 5 and a number equals 9

Use the variable y for the unknown number

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?