A = 16t+25 Alma made a deposit into a savings account. Each week thereafter, she deposited a
fixed amount into the account. The equation above models the amount in dollars, A, that
Alma has deposited after t weekly deposits. According to the equation, how much was
Alma's original deposit?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?