Answer: You have 34 left.
Step-by-step explanation:
69 - 15 = 54
54 - 20 = 34
The GCF is based upon what integer divides evenly into two numbers; the LCM is based upon what integer two numbers share in a list of multiples. The GCF must be a prime number; the LCM must be a composite number.
Y=2(-1)^2-6(-1)+3
y=2+6+3
y=8+3
y=11