A sign advertises a “40% DISCOUNT” at the local sporting goods store for lacrosse sticks that cost $59.75. What is the final cost??? Please help im begging you<3

How could natural selection best be used to explain the evolution of the white fur of arctic fox

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells. b) viruses have capsids composed of protein, whereas viroids have no capsids. c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna. d) viruses cannot pass through plasmodesmata, whereas viroids can.

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?