First do $70(4). That would equal $280. Then do $280+$40=$320
Answer:
-12
Step-by-step explanation:
6 times -2 is -12.
_____
"Lowers by 2°" can be represented by an integer of -2.
First step is replacing x with -4. => -3=5y+8 => 5y= -8-3 => y =-11/5
Answer:
100 dollars a year
Step-by-step explanation:
Answer:
option B
Step-by-step explanation:
9/10 + 6/5 + 3/2...........
We find the difference between the terms
We will get the same difference when we subtract consecutive terms.
so , d= 3/10, a= 9/10
we find the formula for nth term
a_n = a+(n-1) d
we need to find eighth partial sum so we take n=1 to 8
sum of 8 terms ()
So option B is correct