Multiply (x + 3) (x - 3).

A. x2 + 6x + 9

B. x2 - 9

C. x2 + 6x - 9

D. x2 - 6x + 9

I can't focus.

Which is equivalent to 4 (2x+1) - (-6x) ? 14x+4 8x-2 2x+4 - 14x-4

Fine the area of a circle whose radius measures 12 cm

Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. How many fluid ounces of milk provide 72.5 milligrams of calcium? Round to the nearest tenth.

What's 10/65 as a decimal

How many times can 5 going to 7

Ben thought an assignment would take 20 minutes to complete. It took 35 minutes. What is the percent error in his estimate of the time?

Three less than the product of 8 and a number is equal to 6

Using the diagonals, determine whether or not ABCD is a rhombus? How do I show my work on this?

Factor 2n (n + 3) - 5 (n + 3). A. (n + 3) (2n - 5) B. (n + 3) (2n + 5) C. cannot be factored D. (n - 3) (2n + 5)

To play a game, all the children in class stand in a circle, The diameter of the circle is 15 feet. what is the circumference of the circle to the nearest tenth of a foot? use 3.14 for the value of PI