If you place $1,000.00 in a savings account with an interest rate of 3.25%/ month, how much should you earn in interest at the end of the month?

$3.25
$32.50
$325.00
$0.33

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.