2. Convert 2.6 x 1024 molecules of NH3 to grams.

3. Convert 1.25 mol gold to grams.

There are nine men and ten women in a club; in how many ways can a committee of four be formed to include at least 1 man?

Use the substitution method to solve the system of equations y=-4x 8x-y=6 A. (1,-4) B. (1/2,-2) C. (2,-8) D. (1/2,-4)

In addition to his hourly rate, Mr. Smith is paid $2.20 for each watch he fixes. Write an expression for his income if he fixes r watches per hour?9.5 is hourly rate.

Find the volume of the right circular cone that has a height of 16 inches and a base with a circumference of 4.5 inches. Round answer to the nearest tenth of a cubic inch.

The letter tiles shown below are in bag. Without looking, I am going to draw one tile. What are my chances of NOT drawing a blue A? (p. s there are 2 blue As, 1 green A, 1 green P, 1 blue L, 1 pink O, 1 pink I, and 1 pink S) 0.25 0.15 0.75 0.6

What is the formula for the sum of an infinite geometric series

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?

What is the percent change between 20% and 30%

What is the recursive rule for this geometric sequence? 3, 3/2, 3/4, 3/8

What is two plus three?; )