Convert the following quadratic from vertex form to standard form. Y=(x-1)^2-1

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?