The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)How many packages weighed between 20 and 39 pounds?
A. 2 packages
B. 7 packages
C. 11 packages
D. 6 packages
Answer: D
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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 TaxBush, H. 47 $8.90
A. $22.07, $5.16, $3.56 B. $25.93, $6.07, $4.18 C. $38.90, $9.10, $6.27 D. $27.87, $6.52, $4.49
Find the value of the expression using the given values.
?x = 8
A. 4 B. -8 C. -4 D. 8
Solve the system of linear equations.x + y = 4x - y = 14
A. (8, -4) B. No solution C. (-9, -4) D. (9, -5)
Form an equivalent expression by rationalizing the denominator.
A. 3
B. 3
C. 
D. 