Find the mode of the list of data.144 cm, 150 cm, 156 cm, 144 cm, 188 cm, 199 cm, 162 cm
A. 144 cm
B. 156 cm
C. 150 cm
D. 96 cm
Answer: A
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A new solution is often made using a stock solution from the shelf and diluting it to the proper strength. The formula V1C1 = V2C2 expresses the relation ship between the stock solution and the new solution. V1 represents the volume of the stock solution, C1 represents the concentration of the stock solution while V2 represents the volume of the new solution and C2 represents the concentration of the new solution. Find the volume of stock solution that is needed to make 50 mL of a 5% solution from a stock solution that has a concentration of 25%.
A. 10 mL B. 25 mL C. 50 mL D. 100 mL
Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 sin ?; the y-axis 
A. May or may not be symmetric about the y-axis B. Symmetric about the y-axis
Graph the function.y = 3 cot 
A. 
B. 
C. 
D. 
Simplify the polynomial by combining like terms.7x + 2 + 8x
A. 15x B. 15x - 2 C. 15x + 2 D. 30x