How many kilometers are in 2 miles? 1.24 km 3.21 km 0.80 km

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which representation has a constant of variation of -2.5

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?