What was the percent increase in growth from day 5 to day 7 ?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.