Solve the problem.A square component in a television set measures 22 centimeters per side. Next year's design will contain the same square component, but its side will measure only 19 centimeters. By how much will the area of the square be decreased?
A. 12 square centimeters
B. 9 square centimeters
C. 123 square centimeters
D. 361 square centimeters
Answer: C
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Find all possible functions with the given derivative.y' = csc2 4?
A. 
csc 4? + C
B. - 
cot 4? + C
C. - 
csc3 4? + C
D. -4 cot 4? + C
Solve the problem.A person with no more than $2000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 4 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. x + y ? 2000 x ? 4y x ? 0 y ? 0 B. x + y = 2000 x ? 4y x ? 0 y ? 0 C. x + y ? 2000 4x ? y x ? 0 y ? 0 D. x + y = 2000 y ? 4x x ? 0 y ? 0
Solve the equation.55n2 + 10n = 0
A. 0, 
B. 0
C. 0, - 
D. 
, - 
Find the slope of the line.2x + 5y = 14
A. 
B. 
C. - 
D. - 