Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 - 1)2
B. (x4 + 1)(x2 + 1)(x + 1)(x - 1)
C. prime
D. (x2 - 1)4
Answer: B
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When a beam of light is reflected from a smooth surface, the angle formed by the incoming beam with the surface is equal to the angle formed by the reflected beam and the surface. The beam of light in the figure makes an angle of 39° with 
. Complete the path of the light beam as it reflects from 
, from 
, from 
again. At what angle does the beam reflect from 
the second time?
A. 70°
B. 77°
C. 31°
D. 97°
Find the Social Security tax (6.2%), Medicare tax (1.45%), and state disability insurance deduction (1%) for the employee. Assume the employee is under the FICA and SDI maximums at the end of the current pay period and assume that 
is paid for any overtime in a 
week. Round to the nearest cent if needed. Hours Reg FICA Medicare SDIEmployee Worked Rate Tax Tax TaxLodge, T. 45.5 $7.80
A. $19.34, $4.52, $3.12 B. $23.33, $5.46, $3.76 C. $33.01, $7.72, $5.32 D. $22.00, $5.15, $3.55
Use the power rules for exponents to simplify. Write the answer in exponential form.4(rt)9
A. 4rt9 B. 4r9t9 C. 4r9t D. 49r9t9
Evaluate.Let log b A = 2.349 and log b B = 0.17. Find log b 
.
A. 2.179 B. 2.519 C. 2.349 D. 0.399