The answer to 15 is addition and multiplication
the answer to 16 is 0
First we need to find x so 6x+8x+6x= 180
20x=180 and x= 9
So A= 6*9= 54
B= 8*9= 72
C= 6*9= 54
Mark can make 303,030 birthday cakes.
Answer:
Amplitude: 3
Period: 2π
Step-by-step explanation: