A security code consists of 9 digits (0-9), and a digit may not be used more than once. How many possible security codes are there?

Greatest common factor of 141 and 329

Use a five-step plan to solve the following word problem. Show all five steps in your response: Doug is twice Anne's age. Doug is 34 years old. How old is Anne? Doug is twice Anne's age. Doug is 34 years old. How old is Anne?

Consider triangle DEF. The legs have a length of 36 units each. Triangle D E F is shown. Angle D F E is 90 degrees and angles F D E and D E F are 45 degrees. The lengths of sides D F and F E are 36 units.

If x = 10 when y = 320 then what is y then x is 1/2?

Use the digits in the number 531,642 to write a number that is greater than a number that is less than 531,642

Order √3, 2π, and 1.5 from least to greatest.

The arithmetic mean of the monthly salary of two employees is $3210. One employee earns $3470 per month. What is the monthly salary of the other employee?

Write the expression in exponential form. log 3^9 = 2

Ariana has $1.40 worth of nickels and dimes. She had twic as many nickels as dimes. Determine the number of nickels and the number of dimes that Ariana has.

Who are the Cherokee