Answer:
first is 4^2 (add powers)
Second is a^(m-n) (subtract powers)
Answer: A.
Step-by-step explanation:
1/4 is not in fact a natural number, it's a rational number, a ratio.
Answer: u should have at least i gallon per person per day
Answer:
18 and 72
Step-by-step explanation:
the smaller part can be assigned as x while the larger will be 4x. Both numbers need to add up to 90, giving the equation: 4x+x = 90
Solve:
4x+x = 90
5x = 90
x = 18
4x = 72
Answer:
28
Step-by-step explanation: