Answer:
15). is done
16).
x=-16
Step-by-step explanation:
from x=-3 to get to y=12 u need to multiply x=-3 by -4 to get to 12 so for y=64 u need to divide by -4 which equals x=-16
an = 4n – 1
a1 means n=1
a1 = 4(1) -1
a1 = 4-1
a1 =3
Answer: 3
