Kevin's savings account balance changed from $1140 in january to $1450 in april. find the average rate of change per month. round your answer to the nearest dollar.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

How are sas and sss used to show that two triangles are congruent?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.