Shade the region of feasible solutions for the given restraints.y - x ? 5x + y ? 3y - 3x ? -1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the pH scale to answer the question.What is the pH of a solution with a hydrogen ion concentration of 10-9 mole per liter? Is this solution an acid or a base?
A. pH = 9; base B. pH = 3; acid C. pH = 7; neutral D. pH = 10; base
Mathematics
Simplify the sum.(x + 3) + (x - 15)
A. 2x - 18 B. 2x + 12 C. 2x - 12 D. 2x + 18
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.-62
A. -64 B. -36 C. -12 D. 36
Mathematics
Provide an appropriate response.Find an equation of the tangent line to the curve y = ln(x + 3) when x = -2.
Fill in the blank(s) with the appropriate word(s).
Mathematics