I need help please help

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

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is