What are the real roots of 2x^3-42x-40

I=? W = 3/4 H = 4 Volume = 4 1/2 An explanation would be nice

A fish tank in the shape of a rectangular prism has dimensions of 14 inches. 16 inches and 10 inches the tank contains 1680 cubic inches of water what percent of the fish tank is empty

Solve the system of linear equations by substitution. 11x-7y=-14 x-2y=-4

U had $20to spend on seven avocados. after buying them you had $6 how much did each avovados cost?

In october 2005, a family's gasoline consumption is 30 gallons per month and is increasing at a rate of 2.5 gallons per month. the price of gasoline is 260 cents per gallon and is increasing at a rate of 25 cents per month.

The radius of the circle is 12 cm. What is the circumference of the circle? (Use [pi = 3.14.)

Rebecca a library and check 114 book on day is she checked in the same number of book everyday how many book will she take in the 7-Day

What is 3 (x-1) - 4x+5 combined? Also can you explain how you did it

If you have 50 red bead 50 blue beads 50 green beads what I'd the probability that will be blue

13. On a camping trip, you decide to hang your backpack from a rope stretched between two trees, so bears can't steal your food while you sleep. The trees are 20 feet apart, and the rope is tied to each tree at a spot 12 feet above the ground.