The chart below shows a pattern. X|Y
1 | 2
2|5
3|8
4|11
5|14
When x is 50, what will be the value of y?
A140
B 149
C150
D 152

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Express -5 2/5 as an improper fraction.

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?