If a box has a sea-level air density of 1.24 kg * m ^ - 3 how much would the air within the box weigh?

Which value is not a solution of 8x^3 – 1 = 0

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?