The sum of the digits of a two-digit number is 13. twice the first digit is 1 less than the second digit. what is the two digit number. create a system of equations and solve.

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Rewrite the following without an exponent. (5/8)-1

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?