Rosemarie went to the store and bought some eyeliner for 7.70. two weeks later the price of the eyeliner was increased 60% what was the new price of the eyeliner?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units