Find the length of the section represented by x in the figure. 
a = 1
b = 5
A. 1
B. 5
C. 12
D. 1
Answer: D
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Use Euler's formula to answer the question.A polyhedron has 15 vertices and 20 faces. How many edges does it have?
A. 34 B. 37 C. 35 D. 33
Provide an appropriate response.Which term is associated with an angle which measures 42°?
A. acute B. obtuse C. right D. straight
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.h(x) = 2.3x3 + 18x2 - x + 
A. Cubic; 2.3x3; 2.3; 3 B. Quadratic; 18x2; 18; 2 C. Quartic; 18x2; 18; 4 D. Linear; -x; -1; 1
Find the exact value of the trigonometric expression without the use of a calculator.If cos ? = - 
, 
< ? < ? and sin ? = - 
, ? < ? < 
, find the exact value of cos (? + ?).
A. 
B. 
C. 
D. 