How many different telephone numbers are possible for a particular exchange?

K divided by 2 is 40

How do you write an interger whose absolute value is greater than itself.

A sine function can be used to model light waves. Green light has a wave length, or period of about 510 nm. which equation best models green light? a. y = sin pi/510 theta b. y = sin pi/255 theta c. y = sin 510/pi theta d. sin 255/pi theta

Steve had $10 in his drawer. He put in an additional $5 before his parents doubled his money.

Convert the improper fraction to a mixed number. 17/3 = ? A - 3 1/3 B - 5 2/3 C - 6 1/3 D - 3 1/6

How do you write down 6.24 divided by 2.4 showing work?

3x^3+3x^2-21x+4/x-2 long divide

Solve the equation b^2-13b+36=0

Given the diagram of the spinner, describe how to change each sector of the spinner so that each of the outcomes A, B, C, or D is equally likely.

Approximate the number 32 to the nearest hundreth