A student claims that lifting an object2 meters off the ground requires just as much work as lifting an object wit twice the mass, 1 meter off the ground. Is the claim valid?

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Select the lengths in centimeters that would form a right triangle

15/16 as a decimal rounded to the nearest hundredth