Answer:
y=1/3
Step-by-step explanation:
3y+1=0
3y=-1
3y/3=-1/3
y=-1/3
I believe it's -2 but i'm not 100% sure.
Answer:
B
Step-by-step explanation:
1 million has 7 digits so that means 27million would have 8 digits and that eliminates C. having the word "three" in the question eliminates D and "three hundred and thirty thousand" means A is eliminated
The altitude is the mean proportional between the left and right parts of the hyptenuse
20/m = m/8
m² = 20 · 8
m² = 160
m = √160
m = 4√10