12.
50/3
14.
60/11
hope this help, if you need futher help pm me
Answer:

Step-by-step explanation:
Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

<h3>
<u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>
• The sum of n terms of an AP is
• nth term of an AP is given by ,

Answer:
-4
Step-by-step explanation:
Answer: 4x'6
Step-by-step explanation:
Simplify x5
/8. Than, Equation at the end of step 1 : x5 ——) • x)1) ÷ 4 8
Step 2 : 2.1 16 = 24 (16)1 = (24)1 = 24 2.2 x6 raised to the 1 st power = x( 6 * 1 ) = x6
Step 3 : 24x6 Simplify ———— 4
Dividing exponents : 3.1 24 divided by 22 = 2(4 - 2) = 22
which brings us to our final answer above
Answer:
28
Step-by-step explanation:
Add the top and bottom bases, divide by 2, multiply by height.