What equation accurately represent this statement three less than 4 times a number is less than 12

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

The area of square garden is 300m squared. how long is the diagonal?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5