Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?
A. $57
B. $90
C. $104
D. $112
E. $122
If r = 5 z then 15 z = 3 y, then r =
A. y
B. 2 y
C. 5 y
D. 10 y
E. 15 y
一个电子商务配送中心在全国范围内的仓库中将客户所需要的货物进行汇总,并从各地的仓库运往客户所在地,这是电子商务配送中心的倒装功能。()