We can find a and b using inverse trig functions,


Hope this helps.
 
        
             
        
        
        
Answer:
y=4(5) =20
Step-by-step explanation:
 
        
             
        
        
        
Answer:
X-3 yrs old
Step-by-step explanation:
Take Laura=X 
Since Laura is X years old and Jeri is 3 years younger then Jeri's age = Laura's age- 3years so,
Jeri's age= X-3
 
        
             
        
        
        
Answer:
Yes, a loan would meet our requirement to commute for an impressive summer internship program next year  
Step-by-step explanation:
Taking a loan would meet our requirement of buying a car. We will be able to make the downpayment. This will enable us to buy a car. So the decision to take the loan will be valid. It will help us in commuting easily for the summer internship program. We will immediately get the car after making a down payment and will avail of the benefits of using the car. This is a healthy type of debt. 
 
        
             
        
        
        
Answer:
You need four squares.
On the top left square, you put the number 20 over it, and the number 30 to it's left. Put the number 600 in the square.
Next, the bottom left square. But the number 8 on the left side of the square, and put the number 160 in the square.
Now, the top right box. put the number 4 over it, and fill it with the number 120.
Last, fill the bottom right square with the number 32.