A bottle filled with scented oil is made of a half cylinder-shaped base with a cylindrical pouring spout.

Approximately how much space is available to fill the container with oil?
A 641 cu in
B 68.5x cu in
C 807 cu in
D 90.5x cu in

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Ineed in figuring out this problem.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?