It took adolfo 1/2 hour to do his science homework and 1/3 of an hour to do his math homework. How long did adolfo work on his homework?

23c = (f-32) divided 1.8

The fish population in a certain lake rises and falls according to the formula F = 3000 (23 + 11t - t2). Here F is the number of fish at time t, where t is measured in years since January 1, 2006, when the fish population was first estimated.

Solve: 2a - b = ac + 3b for a

Kat has at least 12 and igneous rock

An employee was randomly chosen from a company's

Is 16.6 a whole number, lnteger number, or a rational number

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