As I can tell the tables are right but it would be a function since none of the x's repeat
Answer:
a=18
Step-by-step explanation:
Answer:
Assume x is directly proportional to y :

when y is 9, x is 2:
substitute to find value of k :

Therefore, equation is:

The angles have to have a 90 degree angle , and they have to be equal too
Answer:
30
Step-by-step explanation:
15x2=30
10x3=30