Which expression represents the number of ways that a president and vice president can be chosen out of a group of 15 people?

a. 15 * 14

b. 15!

c. 13!

Multiply (4a3) (a2) Question 3 options: 4a5 -12a5 -4a5 12a5

The sum of the digits of the digits of a certain two - didgits number is 16. Reversing its digits decreases the number by 18. What is the number

If m//a = 150 and / / a and / / b at supplementary, what is m / / b

Which is the solution to the equation 0.5 x + 4.2 = 5.9? Round to the nearest tenth if necessary.

Pristine Printing will print business cards for $0.10 each plus a setup charge of $15.00. The printing place offers business cards for $0.15 each with a set up charge of $10.00. What number of business cards cost the same from each printer?

What is 84/144 in simplest form fraction?

Which set of integers is not a pythagorean triple? 12,16,20/10,24,26 / 14,48,50/27,32,45

If sin theta is - 4/5. 270 degrees is less than theta and theta is less than 360 degrees. What is tan theta?

Which statement describes the value of the expretion 15 * (8+45)

What is the product in lowest terms? -6/11 times 3/4 A.-9/22 B.-6/13 C. 9/22 D. 6/13