Evaluate the given expression.cx3 when c is 1 and x is -1.
A. 1
B. -1
C. 0
D. -3
Answer: B
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Find the sum of the series.
A. 
B. 
C. 
D. 
A hypothesis test is to be performed. State the null and alternative hypotheses.An environmental group believes that the health of the residents of Castletown is adversely affected by the oil refinery in their town. It believes that in Castletown, the proportion of children who suffer from asthma is higher than the nationwide proportion of 9.1%.
A. Null hypothesis: proportion of Castletown children with asthma < 9.1% Alternative hypothesis: proportion of Castletown children with asthma > 9.1% B. Null hypothesis: proportion of Castletown children with asthma = 9.1% Alternative hypothesis: proportion of Castletown children with asthma ? 9.1% C. Null hypothesis: proportion of Castletown children with asthma = 9.1% Alternative hypothesis: proportion of Castletown children with asthma > 9.1% D. Null hypothesis: proportion of Castletown children with asthma > 9.1% Alternative hypothesis: proportion of Castletown children with asthma = 9.1%
Determine whether or not the equation is quadratic.x2 = (x - 2)2
A. Quadratic. B. Not quadratic.
Round the whole number to the given place value.1,459 to the nearest thousand
A. 900 B. 2,000 C. 1,100 D. 1,000