If g(x) = 3/2x + 3, and g(a) = 0, what is a ?

Select the number of ways in which a line and a circle can intersect

Finding tbe values of the variables in each kite

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?