Solve for x.
3x = 2/5

A) 1/4
B) 2/15
C) 5/6
D) 6/5

Which of the following is correct interpretation of the expression -4+13

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?

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?