To the nearest​ millimeter, a cell phone is 105 mm long and 69 mm wide What is the ratio of the width to the​ length?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

How do you write something in scientific notation?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?