Answer:
36 blocks.
Step-by-step explanation:
We have been given that Mikaela travels 15 blocks on her skateboard in 5 minutes. We are asked to find the number of blocks that she can travel on her skateboard in 12 minutes.
We will use proportions to solve our given problem.





Therefore, Mikaela will travel 36 blocks on her skateboard in 12 minutes.
 
        
                    
             
        
        
        
Answer:
4
Step-by-step explanation:
The function is given as 5c+cd, c=1/5 and d=15d.
We evaluate by substituting the given values of c and d in the function:


After substituting, we find the function's equivalent as 4.
Hence, the value of the function is 4
 
        
             
        
        
        
Answer:
The height of the tree is 21 ft
Step-by-step explanation:
we know that
A light post that is 9 feet tall that casts a shadow that is 6 feet long
so
by proportion
Find out the the height of the tree if a tree that casts a shadow that is 14 feet long
Let
x ----> the height of the tree

therefore
The height of the tree is 21 ft
 
        
             
        
        
        
Answer:
$7.20
Step-by-step explanation:
The formula for simple interest is I = Prt, where P = principal, r = interest rate, t = time (usually in years), and I = amount of simple interest.
Thus, the answer is $7.20.
 
        
             
        
        
        
Answer:
x^2 - 5x - 66
Step-by-step explanation:
1. Distrubute the x to the x and -11 so you will get x^2 - 11x
2. Distrubute the 6 to x and -11 and you get 6x - 66
3. Combine like terms (x^2 - 11x + 6x - 66) you will get x^2 - 5x - 66