Answer:
the answer is 16 hours
Step-by-step explanation:
i just multiplied 12(the amount he gets from tutoring) and multiplied it by different numbers  to see which one gets him past $190
 
        
             
        
        
        
Given:
Kelly purchased 5 containers of ice cream for a party.
Each container holds 8 cups of ice cream.
Her brother ate 2 cups of ice cream.
One serving of ice cream = 2/3 of a cup.
To find:
Number of servings of ice cream will be left for the party?
Solution:
We have,
1 container = 8 cups of ice cream
5 containers = 5×8 = 40 cups of ice cream
Her brother ate 2 cups of ice cream. So, remaining cups of ice cream is
 cups
Now,
 of a cup = 1 serving
1 cup = 
 serving
38 cup = 
 serving
             = 
 serving
             = 57 serving
Therefore, 57 servings of ice cream will be left for the party.
 
        
             
        
        
        
Answer: C
Step-by-step explanation:
You can write each term into a fraction.
 becomes 
When you multiply 2 terms with the same base, you add the exponents.

 is also the same as ![x\sqrt[5]{x^3}](https://tex.z-dn.net/?f=x%5Csqrt%5B5%5D%7Bx%5E3%7D)
You get this because 
. When you pull out 5 os x, you are left with x³ on the inside. 
 
        
             
        
        
        
Answer: 3
Explanation: logarithm base 8 of 512 is 3