Answer:
28
Step-by-step explanation:
you would divide 42 by 6 which is 7 and than multiply 7 by 4 which would get you 28
-8a^8b^-2/10a^-4b^-10
= (-8/10) a^(8+4)b^(-2+10)
= -4/5 a^12 b^8
=-4 a^12 b^8 / 5
Answer is A.) -4 a^12 b^8 / 5
Answer:
B (-1 , -4)
Step-by-step explanation:
A (3 , 4)
M (1 , 0)

M is the midpoint of segment AB means :

Then

Then

Then

Since 4^2=sqrt(16), we can rewrite it as that. In addition, as 2 is a factor of 16, we can rewrite it as sqrt(2)*sqrt(16/2)=sqrt(2)*sqrt(8). Crossing out the sqrt(2), we get sqrt(8) as our answer. To simplify it, we can note that 2^2=4 and 4 is a factor of 8 when multiplied by 2, so we get 2*sqrt(2)