Simplify. 3x (2x + 4y)

Length of your thumb metric system

What is the value of x in the proportion below 5/7 = x/21

Is a persons age a function of his or her height? a. Yes, everyone withe the same age has the same height. b. Yes, for each height, there are people of different ages. c. No, for each height, there are people of different ages. d.

a negative integer is greater than its opposites true or false?

Which is the equation of a parabola with vertex (0, 0), that opens to the right and has a focal width of 8? a. y^2=8x b. y^2=-8x c. x^2=8y d.

3.14 times 8 to the power of 3 divide by 4/3

The equation x + y = z relates the whole numbers x, y, and z. How does z compare to x? Y is z less than x. Y is z more than x. X is y less than z. X is y more than z.

Starting at age 50, a woman puts $1700 at the end of each quarter into a retirement account that pays 7% interest compounded quarterly.

The mean and the standard deviation of the sampled population are 225.8and 17.8 respectively. What is the mean and standard deviation of the sample mean when n = 25?

Rachel rounded 16,473 to the nearest hundreds Danci rounds her answer to the nearest thousands what's the final number