-8(1 + 8n) - 8(6 - 4n) = -24
-8 - 64n - 48 + 32n = -24
-32n - 56 = -24
-32n = 32
n = -1
Product is multiplying. when you multiply a letter with a number you don't put any symbols so it would be 8c
The answer is 2 two(2x2)=4
Hope this helps!! If u want me to answer any more questions just ask! Have a nice day!
Assuming you want to choose 4 people from the class of 20;
Begin by using the combinations formula;
20C4=4845 possibilities
Hope I helped :)
