9. hugh wrote six checks from his account in the following amounts: $20.
$20, $12. $20, $12, and $42. he also made a deposit of $57 and was
charged a $15 service fee by the bank. what is the change in hugh's
account balance?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)