Which expression represents the difference between 18 and an unknown number

A cube has a volume of 800 cubic units. The length of the edge of this cube is between which two numbers? A. 9 and 10 units B. 11 and 12 units C. 20 and 21 units D. 28 and 29 units

14 to 35 simplest form

The two angles that are consecutive to the given angle are (blank) to it. So, you can find each of their measures (blank). The angle opposite the given angle is (blank) to it. Therefore, it's measure (blank).

Derivatives of 250x/x+15

Is 15 a common factor of 54000 and 135000

Ling bought 3 DVDs for $15.95 each and a DVD player for $64.99. After sales tax, her total came to $119.89. What is the sales tax rate? Round your answer to the nearest hundredth, if necessary.

Let f (x) = 2x+3. The average rate of change of F (x) over any interval equals 2. A. True B. False

Robert gives roping lessons at the Sundown Corral. A 3-hour lesson costs $120.00. The cost of a lesson is proportional to the duration, in hours, of the lesson. What is the constant of proportionality in terms of dollars per hour?

If two people play tic tac toe choosing their moves randomly, what are the odds that they will tie

Candace is finding 67 x 2. She thinks the product is 124. Find and correct her mistake.