Answer:
You have a thing on there saying the answer is c. If you got the answer there is no point of asking it.
 
        
             
        
        
        
Answer: 132.27
Step-by-step explanation:
Multiply 8 × 9 × 27 to get the value of x
= 1944
To get 3 square root of 1944, find the square root of 1944 = 44.09
3 square root of 1944 = 3 x 44.09 = 132.27
 
        
             
        
        
        
Answer:
5 meters 
Step-by-step explanation:
because 100 meters divided by the base equals the Height so 100 divided by 20 = 5
 
        
             
        
        
        
Answer:
Her usual driving speed is 38 miles per hour.
Step-by-step explanation:
We know that:

In which s is the speed, in miles per hour, d is the distance, in miles, and t is the time, in hours.
We have that:
At speed s, she takes two hours to drive. So


However, on one particular trip, after 40% of the drive, she had to reduce her speed by 30 miles per hour, driving at this slower speed for the rest of the trip. This particular trip took her 228 minutes. 
228 minutes is 3.8 hours. So

So




Her usual driving speed is 38 miles per hour.
 
        
             
        
        
        
I believe the answer is B: 3 + 7 + (-10).