Simplify. Assume all variables represent nonnegative values.
A. z16
B. 
C. z4
D. 2z
Answer: C
You might also like to view...
Solve the problem.The U.S. House of Representatives decides to have committee meetings on Thursdays from 2:00 to 5:00 PM. To avoid conflicts, it is important not to schedule two committee meetings at the same time if the two committees have House members in common. Use the table below, which lists possible conflicts, to determine an acceptable schedule for the meetings. 
A. First Thursday: Science, Budget, International Affairs, and Small Business, Ways and Means, and Appropriations ; Second Thursday: Armed Services, Judiciary, Veterans' Affairs, Rules. B. First Thursday: Science, Budget, International Affairs, and Small Business ; Second Thursday: Armed Services, Judiciary, Veterans' Affairs, and Rules ; Third Thursday: Ways and Means and Appropriations. C. First Thursday: Science, Budget, International Affairs, and Small Business ; Second Thursday: Armed Services and Veterans' Affairs; Third Thursday: Judiciary and Rules ; Fourth Thursday: Ways and Means and Appropriations. D. First Thursday: Science, Budget, Judiciary, Appropriations, Rules, and Small Business ; Second Thursday: Armed Forces, International Affairs, Veterans' Affairs, and Ways and Means.
Find the product. Write the answer in standard form.(5 + i)(5 - i)(2 - 3i)
A. 48 - 72i B. 18 - 92i C. 52 - 78i D. 22 - 98i
Subtract.16x7 + x4y3 - 9x2y5 + 4xy6 + 8y7 from -8x7 - x4y3 + x3y4 + 9y7
A. -24x7 + x3y4 + 9x2y5 - 4xy6 - y7 B. -24x7 - 2x4y3 + x3y4 + 9x2y5 - 4xy6 + y7 C. -24x7 + x3y4 - 9x2y5 + 4xy6 + 17y7 D. -24x7 + 2x4y3 + x3y4 - 9x2y5 + 4xy6 - y7
A tank contains 1050 L of brine with 20 kg of dissolved salt. Pure water enters the tank at a rate of 16 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after 20 minutes?
What will be an ideal response?