The Yert family hires a landscaping company for 30 weeks. There are two companies to choose from. Green Lawns charges for the first time they service your lawn, and the price will multiply by a factor of every week thereafter. Green Thumbs charges for the first time they service your lawn, and then charges an additional every week thereafter. At 30 weeks, if the Yert family chooses the company that is cheaper, how much money will they save?

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?