Formula for mean wait time

225/100 of last years cost. write each fraction as a decimal and as a percent

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)