An economy package of cups has 840 green cups. If the green cups are 40% of the total package, how many cups are in the package?

Name the most appropriate metric unit for each measurement

Write the following as a base and exponent

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)