Which shows the scale factor used to dilate triangle XYZ to form triangle X'Y'Z'? A( 1/2 x, 1/2 y)
B (1/3 x, 1/3 y)

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?