Campground has cabins that hold 28campers there r 148 campers how many campers in each cabin

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Use the given information to determine the exact trigonometric value.

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?