HELP PLEASE! The distances from a ship to two lighthouses on the shore are 4 miles and 7 miles respectively. If the angle between the two lines of sight to the lighthouses is 48 degrees. Find the distance between lighthouses?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

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?