7 multiply by three u get 21 then add it to the number 28 add u get the answer 49
Answer:
B
Step-by-step explanation:
For something to be directly proportional it has to go through the origin (0,0) of the graph.
Answer: z = -19.5
Step-by-step explanation:
-6.5 = z/3
-19.5 = z Multiply 3 to both sides