Acable installer charges $42.50 per hour plus a $60.00 service charge your fathers firm hires him to hook up his companys internet service find the total charges if it takes the cable installer 3.5 hour to completed the task

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?