Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.d = 3.2 in.
A. 5.0 in.; 20.1 in.2
B. 5.0 in.; 32.2 in.2
C. 10.0 in.; 8 in.2
D. 10.0 in.; 10 in.2
Answer: C
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Multiply using the rule for finding the product of the sum and difference of two terms.(x2 + 7)(x2 - 7)
A. x4 - 14 B. x4 - 49 C. x4 + 14x2 - 49 D. x4 - 14x2 - 49
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln 
A. 
B. 
C. 4e
D. 4
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 12(x - 4)
A. vertex: (-1, 4) focus: (2, 4) directrix: x = -4 B. vertex: (4, -1) focus: (7, -1) directrix: x = 1 C. vertex: (-4, 1) focus: (-1, 1) directrix: x = -7 D. vertex: (4, -1) focus: (1, -1) directrix: x = 7
Draw a tree diagram to find the number of possible outcomes.Choose a number, 1, 2, 3, 4, and then a vowel, a,e,i,o,u.
A. 16 outcomes B. 5 outcomes C. 9 outcomes D. 20 outcomes