How many moles are in 8.30*10^23 molecules of H2O?

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