Step-by-step explanation:
y2 + 4y - 5
( y + 4 )( y - 1 )
so you just need to break down the sum
Answer:
y = m/3
Step-by-step explanation:
y 1
---- = --------
m 3
Cross multiply
3*y = 1*m
3y = m
Divide each side by 3
3y/3 = m/3
y = m/3
Answer:
Step-by-step explanation:
The two ratios are not equivalent
Answer:
The index of refraction of the second medium is higher.
Step-by-step explanation: