Answer:
nth term = 7n - 2
Step-by-step explanation:
a = first term = 5
d = common difference = second term - first term
= 12 - 5 =7
d = 7
a + (n-1)d
= 5 + (n -1)7
= 5 + 7n - 7 {add like terms}
= 7n - 2
Answer:
$120 - A
Step-by-step explanation:
20% of 120 is 20.
120-20 + 100
Answer:
N= -4
Step-by-step explanation:
Since mid-point of -13 and 3 is -4.
Answer:
d. 18
Step-by-step explanation:
g(x)=3x-3
3(7)-3
21-3
=18