from the observation deck of a lighthouse 70 meters above sea level, the lighthouse keeper can see a fishing boat at a 25-degree angle of depression. What is the horizontal distance, to the nearest tenth, from the base of the lighthouse to the fishing boat?

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?