Answer:
532+50pi
or exact: 689.08
Step-by-step explanation:
Answer:
Step-by-step explanation:
-k - ( -8k + 7)
negative sign is outside the parenthesis. so it should be multiplied with -8k and 7
-k - (-8k + 7) = -k - 8k * (-1) + 7*(-1)
= -1k + 8k - 7
Now -k and 8k are like terms. So, combine them.
= 7k - 7
6 is the gcf
hope this helps :)
Answer: 7x-5
Step-by-step explanation:
<span>boys = 14x
</span><span>girls = 17x
14x + 17x = 186
31x = 186
x = 186/31
x = 6
</span>boys = 14x = 14 * 6 = 84
