the true length of boards cut at a mill with a listed length of 10 feet is uniformly distributed between 118.9 and 122.9 inches. what is the standard deviation of this distribution? (Keep three decimal places)

Ineed with number 17 i don’t get it at alll

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?