Solve the equation. First simplify the expression by combining like terms.- 
(x + 14) + 
(x + 4) = x + 7
A. - 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Solve.A rectangle that is x feet wide is inscribed in a circle of radius 32 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 44.9 feet B. 44.5 feet C. 45.7 feet D. 45.3 feet
Mathematics
Write the number in scientific notation.172
A. 1.72 × 102 B. 1.72 × 10-2 C. 1.72 × 101 D. 1.72 × 103
Mathematics
Determine whether the sequence converges or diverges. If it converges, give the limit.
, 
, 
, 
, ...
A. Converges; 
B. Converges; 0
C. Diverges
D. Converges; 
Mathematics
Write down all the subsets of the given set.{a}
A. {a} B. ?, {a} C. {a, b} D. a
Mathematics