Simplify.(n + 5)2
A. n2 + 10n + 25
B. 25n2 + 10n + 25
C. n + 25
D. n2 + 25
Answer: A
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Solve the problem.The annual rainfall in Maine is a random variable with probability density function defined by 
for x in 
Find the probability that the rainfall is less than the expected value of the rainfall.
A. 0.500 B. 0.447 C. 0.445 D. 0.489
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(0)
A. f '(x) = - 
; f '(0) = -2
B. f '(x) = - 8(x + 2)2; f '(0) = - 32
C. f '(x) = 8; f '(0) = 8
D. f '(x) = 
; f '(0) = 2
Use identities to find the exact value of the trigonometric function.Find sec ? if cos ? = 
and 0 < ? < 
.
A. -2
B. 2
C. 
D. 
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 TaxHudson, R. 41.94 $7.92
A. $20.59, $4.82, $3.32 B. $21.07, $4.93, $3.40 C. $19.64, $4.59, $3.17 D. $30.89, $7.22, $4.98