Which of the following is a polynomial?

A. X^-y + 2

B. X^4 + x^-4 + 16

C. (x^6-2) / (x^-4+3)

D. X^2-1

Draw a conclusion if possible. 1. if two triangles are congruent, then the triangles are similar. 2. triangles abc and def are not congruent.

Maurice wants to purchase a home in six years. He will contribute $350 each month to a savings account with 2.12% interest, compounded semiannually. What is the future value of this investment, when Maurice needs to make a down payment?

A bag contains 6 red marbles, 8 blue marbles, and 6 white marbles. if one marble is selected at random from the bag and not replaced, what is the probability that it will be blue and then blue?

Share £40 in the ratio 1:4

Find the product of (3x + 7y) (3x - 7y). 9x2 - 42xy + 49y2 9x2 + 42xy + 49y2 9x2 - 49y2 9x2 + 49y2 ... ?

Patrick is working for an hourly wage of $15. If he worked for 28 hours last week, what is his gross pay? A. $375 B. $420 C. $450

How do you write 260,000 in scientific notation?

How many times does 54 go into 186?

You are planning to use a ceramic tile design in your new bathroom. the tiles are blue-and-white equilateral triangles. you decide to arrange the blue tiles in a hexagonal shape as shown.

A board is 86 cm in length and must be cut so that one piece is 20 cm longer than the other piece. Find the length of each piece