Factor -4a^2b^4+5b^2-4 ​

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

2.5 milligrams is equivalent to how many grams