Answer:
144.
Step-by-step explanation:
Sum of n terms = (n/2)[a1 + l] where a1 = first and l = last term.
There are ( 1 + 23) / 2 = 12 terms in this series.
So the sum = (12/2) [ 1 + 23]
= 6 * 24
= 144.
Answer:
the answer is A. Elijah is correct.
Answer:
<em>9.</em>
Step-by-step explanation:
3 * √)0^2 + 3^2)
= 3*3
= 9.
Answer:$25 because if u times 100 and 0.25 u get 25
Step-by-step explanation:
X² - 64 = 0
(x - 8)(x + 8) = 0
x = - 8, 8
Your other solution is - 8