Answer:
A. -415m
Step-by-step explanation:
-300 meters is the starting point.
Then, the submarine goes 115m further below the surface, which can be represented as -115.
Add -300 and -115 and you get -415m.
 
        
             
        
        
        
Answer:
   (5√12)/12
Step-by-step explanation:
In general, 1/√a can be rationalized as (√a)/a. That is the denominator can be multiplied by the square root of the same number to rationalize it. The numerator needs to be multiplied by the same square root. 
  
 
        
             
        
        
        
Answer:
7595.96 × 0.02 × x = y
Step-by-step explanation:
1. We start with $7595.96. 
2. The interest is 2% or 0.02
3. Using this formula - P(Principle) x R(Rate) x T(Time) we pluck in the numbers.
4. 7595.96(Principle) x 0.02(Rate) x x(Time) = y(amount of money in the account after x years).
 
        
             
        
        
        
Answer:
 3,000
Step-by-step explanation:
one inch is equal to 600 miles, 5 × 600 = 3,000