Is this a relation of function?​

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought