In the first one it would be (21-8)-6=7.
and in the second one it would be 21-(8-6)=19
Answer:
3
Step-by-step explanation:
the rule is if its .5 or higher than you round up. since the decimal in 2.664 is .664, you'd round up to make 3
500 dots: this is because 1 minute is 5 dots. So, 5×100=500!
Answer:
4m3+18m2−34m+12
Step-by-step explanation:
=(4m+−2)(m2+5m+−6)
=(4m)(m2)+(4m)(5m)+(4m)(−6)+(−2)(m2)+(−2)(5m)+(−2)(−6)
=4m3+20m2−24m−2m2−10m+12
The same as the last question. B the second option.
