Find the value of this expression if x = - 7.

x2 - 1

If you have 2 dice, Can you get a sum of 13?

Which statement describes the first step to solve the equation by completing the square? 4x^2+16x=20 A. Add 8 to each side of the equation. B. Add 64 to each side of the equation. C. Multiply both sides of the equation by 1/4. D.

If a man intakes 75 g of protein daily, his recommended intake, how much does he weigh in pounds? Weight in pounds (to the nearest pound) =

What is the factored form of x2 - 9x + 20?

Which sampling method divides the population up into sections, randomly selects some of those sections, then chooses all the members from the selected sections to study? choose the correct answer below?

Find a negative angle that is co-terminal with the angle 158.3

The formula s = square root of SA/6 gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters?

A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400 sale?

Which example correctly identifies a planet that is a gas giant and a planet that is terrestrial? A. Saturn is a gas giant; Neptune is terrestrial. B. Jupiter is a gas giant; Venus is terrestrial. C. Mars is a gas giant; Earth is terrestrial. D.

Bill arranges 50 small cubes in a 5 by 10 array along a bookshelf. He claims that the volume of books that the shelf can hold is equal to 50 cubic units. Is his claim correct?