109 is 63% of what? Thx.

109 is 63% of 173.02

Step-by-step explanation:

Let 109 = 63% of x

Thus;

63/100 * x = 109

63x = 10900

x = 10,900/63

x = 173.02

2

step-by-step explanation:

vvvvv

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value