If the part is 63 and the percent is 90% what is the whole plz help

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer

What are the triple angle formulas? is it related to double angle identities?