There are 15 students And a social studies class. Two students will be selected to present their term projects today. And how many different orders given to students to be selected?

A. 849

B. 105

C. 420

D. 210

3 (2x-5) = 21 What is x?

When you divide 4 by 7 the quotient is (can u show ur work)

Circle the equation with roots 4 and - 8

93.0139 rounded to the nearest thousands

Maids, Inc. offers a maid service whose fees are defined by the function C (t) below, where t represents the number of hours purchased. How much more will a customer pay to use the service for 5 hours than for 3 hours? C (t) = 45t + 95 Select one: A.

What percent of 150 equals 24.9

Raul wants to buy a new collar for each of his 3 cats. The collars come in a choice of 4 different colors. Step 2 of 2 : How many selections of collars are possible if repetitions of colors are not allowed

Need to find the side lengths for a triangle with sides a=2a, b = 3a, c = 17. need to solve for variable a and not sure how.

Which inequality has no solution? 6 (x+2) > x-3 3+4x<2 (1+2x) -2 (x+6) < x-20 x-9 < 3 (x-3)

Every cupcake Jake bakes weighs 0.45 pounds how much will a box of 100 Cupcakes weigh