Determine whether the source of error represents random or systematic error.Anne counts the number of cars passing an intersection in a 15-minute period. Sometimes she makes errors in counting.
A. Systematic error
B. Random error
Answer: B
Mathematics
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Simplify.
A. 
B. - 
C. 
D. 
Mathematics
Find numbers a and b, or k, so that f is continuous at every point.
A. k = 
B. k = 7
C. k = 49
D. Impossible
Mathematics
Evaluate the expression according to the order of operations.5 ? (4 + 3)2 - 4 ? (6 - 3)2
A. 1081 B. 493 C. 2169 D. 209
Mathematics
Solve the problem.If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal) compounded semiannually, then this sum of money increases by a factor of 
2 after one year. For an annual interest rate of 10%, evaluate the polynomial that results by multiplying this expression.
A. 1.0525 B. 1.0025 C. 36 D. 1.1025
Mathematics