Simplify the expression.
- 
A. 3
B. 
C. 
D. 0
Answer: A
You might also like to view...
Multiply.(-2x2 + 4y)(5x2 + 5y)
A. -10x4 + 10x2y2 + 20y2 B. -10x4 + 10x2y + 20y2 C. -10x4 + 10x2y + 20y4 D. -10x2 + 10xy + 20y2
Find the fluid force exerted against the vertically submerged flat surface depicted in the diagram. Assume arbitrary units, and call the weight-density of the fluid w.
A. 
w
B. 125w
C. 
w
D. 
w
Factor the trinomial.3x2 - 20x - 32
A. (3x + 4)(x - 8) B. (4x + 3)(x - 8) C. (x + 3)(x - 8) D. (x - 4)(x - 8)
Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. at the time of injection B. t = 4 minutes after the injection is given C. t = 0.55 minutes after the injection is given D. t = 3.65 minutes after the injection is given