Answer:

Step-by-step explanation:
Each y is 3 times the last one, so it's geometric, so exponential. 3 should appear as the base.
Answer:7
Step-by-step explanation:
-4+0=-4
-4=-28
Divida -28 por -4. Respuesta es 7
Answer:
$66.60
Step-by-step explanation:
Step 1 so she gave you 13.32 and covers 1 fifth of the cost so you have to times 13.32 by 5 to get how much does the present cost so the total after I times 13.32 by5 equals $66.60