Alaptop costs $450 when purchased and decreases in value by $45 every months of this situation is modeled by a linear equation of the form y=mx + b where y is the value of the laptop after x months what would be the value of m in this equation? Use the on-screen keyboard to enter your answer

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?