Answer:
18
Step-by-step explanation:
33-1
3r-9
r3-8
r means random digit
9+8+1=19
Seems to be an arythmetic sequence
common difference is 3 (increases by 3 each time)
an=a1+d(n-1)
d=3
a1=8
an=8+3(n-1)
an=8+3n-3
an=3n+5
Answer:
B. 15
Step-by-step explanation:
6×3= 18
18-3= 15
.........
Answer:
y=20x+100
y-intercept= 100
slope= 20/1
Step-by-step explanation:
Since 100 is the constant, the y-intercept(b) is equal to 100. And if she earn's 20 dollars each week it's the changing amount.
after you make an observation you make a hypothesis......
