Write the quadratic equation that has a maximum at (4,3) and a y-intercept of -45

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

What is the prime factorization of 230

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?