Answer:
x+2y=0
Step-by-step explanation:
Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
the total of the 20 numbers is: 64+12m
the mean of the 20 number is: (64+12m)/20=5
solve for m: 64+12m=100
12m=36
m=3
Factor:
<span>30n - 40 = 10(3n - 4)
hope it helps</span>
Answer: (x^3)^2 - 3^2
Step-by-step explanation:
Answer:
Last one
Step-by-step explanation:
