Answer:
Step-by- step :
Which expression is equivalent to 4 (x + 3) ?
2 answers:
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Answer:
-4
Step-by-step explanation:
if y = -2 then x = 4
what is y when x = 8
Answer:
- 3108
Step-by-step explanation:
The sum to n terms of an arithmetic series is
=
[ 2
+ (n - 1)d ]
Substitute the given values into the formula
=
[ (2 × - 26) + (23 × - 9) ]
= 12 ( - 52 - 207 )
= 12 × - 259 = - 3108