Có bao nhiêu số tự nhiên 5 chữ số khác nhau bắt đầu bởi số lẻ hoặc kết thúc bởi số chẳn

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done