In 13 months, how much will Leonard have spent on the phone total? (show
your work

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

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?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line