Which string method returns true if the character is a numeric character? letter = input("Enter a letter: ")

A. isDigit(letter)
B. isdigit(letter)
C. letter. isDigit()
D. letter. isdigit()

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)

This graph compares the cost of room and board at educational institutions in texas.

What key should you press and hold to select and open multiple files at one time? enter alt control esc