Evaluate.
A. 1
B. 3
C. 7
D. 9
Answer: A
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Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 24 in. wide at the opening. The focus is 4 in. from the vertex. Find the depth of the microphone. Round your answer to the nearest hundredth inch.
A. 36.00 in. B. 144.00 in. C. 9.00 in. D. 4.00 in.
Use a sketch to find the exact value of the expression.cot 
A. - 
B. 
C. 
D. 
In the following figure: BF and AG are parallel and DEF is an isosceles triangle.
(a) List two supplementary angles.
(b) What shape is ABDEGHA?
(c) What is the measure of ?DFG?
(d) What is the measure of ?BAH?
(e) How many obtuse interior angles are in the figure? List the angle names and measures.
(f) List one set of vertices that form a pentagon.
(g) List two sets of vertices that form scalene triangles
(h) Which angles are congruent? List all congruent angle sets.
Determine whether the pair of lines is parallel, perpendicular, or neither.y = 4 - 1.25x y = - 
x - 4
A. Parallel B. Perpendicular C. Neither