Answer:-21
Step-by-step explanation:
3•(-7)
3 x -7=-21
 
        
             
        
        
        
Answer:
256
Step-by-step explanation:
To calculate these kinds of things, I multiply the principal (200), the interest rate (0.04) and the time (7). This results in 56. However, since the question is how much would be in the account, it would be 200+56 which is 256.
 
        
             
        
        
        
Answer: Bazillions  
Step-by-step explanation: it is bazillions affter zillions
 
        
             
        
        
        
Answer:
y = -3.84.
Step-by-step explanation:
(0.4y - 3)/(1.5y + 9) = -7/5
Cross multiply:
2y - 15 = -10.5y - 63
12.5y =  -48
y = -3.84
 
        
             
        
        
        
Answer:
 
Step-by-step explanation:
Let x be the number of games 
Cost of 1 game = $9
Cost of x games = 9x
he gets a student discount of $10.
So, Cost after discount = 9x-10
Let the total cost be T
So, 
So, An equation to represent the total cost of playing laser tag including the discount is  