Austins allowance is $15 per week. he spends $4 each week in baseball cards how much money will austin have at the end of 12 weeks

Ineed to know the rule for the sequence. plz !

What fraction of one year is 8 months

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50