Solve the problem.The sum of the angles of a triangle is 180°. Find the three angles of the triangle if one angle is twice the smallest angle and the third angle is 12° greater than the smallest angle.
A. 36°, 48°, 96°
B. 42°, 84°, 54°
C. 34°, 68°, 78°
D. 36°, 72°, 72°
Answer: B
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Find the volume of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Circular cylinder with radius 9 mm and height 19 mm
A. 4832.5 mm3 B. 1073.9 mm3 C. 9664.9 mm3 D. 536.9 mm3
Divide.
A. -4
B. -2.4
C. - 
D. -24
Choose the appropriate sketch for the indicated geometric object.Obtuse angle ?TUV
A. 
B. 
C. 
| T? | U? | V |
D.
A company introduces a new product on a trial run in a city. They advertised the product on television and found the percentage P of people who bought the product after t ads had run satisfied the function 
(a) What percentage buys the product after the ad has been been run 1 time, 5 times, 20 times? (b) Find the rate of change P?(t ) . (c) Sketch a graph of the function.