(3a+b)³ please help me​

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

What other information do you need to prove triangle dac=bca by asa

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.