Multiply.(4x + 5)(4x - 5)
A. 16x2 - 40x - 25
B. 16x2 + 40x - 25
C. 16x2 - 25
D. 4x2 - 40x - 25
Answer: C
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A dart is thrown randomly and sticks on the circular dart board shown. Assume that all sectors are the same size and that the dart does not land on a border between shaded areas.
Find the probability that the dart lands on an area marked with a number greater than 2 and less than or equal to 9.
A. 
B. 1
C. 
D. 
Use periodic properties of the trigonometric functions to find the exact value of the expression.cos 
A. 
B. - 
C. 
D. - 
Select the abbreviation for the given unit.74 millifarads
A. 74 cF
B. 74 mF
C. 74 
F
D. 74 MF
E. 74 kF
Provide an appropriate response.A student says that the equation(z - 1)(z + 2) = 2 can be solved as follows: z - 1 = 2 or z + 2 = 1.If this is correct, explain why. If it is not correct, explain why and give the correct method.
What will be an ideal response?