All numbers divisible by both 3 and 8 are also divisible by which one of the following numbers?
A. 5
B. 6
C. 9
D. 21
E. 38
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2010年6月30日,A公司生产用甲材料账面余额为350万元,已提存货跌价准备50万元。由于市场价格的变化,2010年6月30日以甲材料生产的乙产品市价为380万元,由甲材料加工为乙产品尚需发生加工成本40万元,预计销售费用和税金5万元。2010年6月30日应计提的存货跌价准备金额为()万元。
A. 10
B. -10
C. 35
D. -35
【C1】
A. rather than
B. let alone
C. much less
D. so as to
Rectangle PQRS lies in the xy-coordinate plane so that its sides are not parallel to the axes. What is the product of the slopes of all four Sides of rectangle PQRS?
A. -2
B. -1
C. 0
D. 1
E. 2
A colored marble is to be chosen at random from a bag of marbles. The probability that the
A. 36
B. 64
C. 72
D. 81
E. 108