Aduck's mass at birth was 0.05 kilogram. the duck gained approximately 0.042 kilogram each week. after how many weeks is the duck's mass 0.890 kilogram?

Are the corresponding angles congruent? explain why or why not.

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)