Answer:
99 students
Step-by-step explanation:
To get this answer, you need to add all of the numbers up because the 3rd graders and 4th graders are joining the 2nd graders. 27+43=70. 70+29=99. 
 
        
             
        
        
        
Answer:
*Assuming that the question should read '8 years less than 3 times Danielle's age'* 
Equation:  3a - 8 = 34, where 'a' = Danielle's age
Danielle's age (a) = 14 
Step-by-step explanation:
Using key words and phrases from the problem, we can find Danielle's age by setting up an equation to solve for 'a'.  
Since Danielle's aunt is '8 years less than 3 times Danielle's age' her aunt's age can be written as:  3a - 8.  We also know her aunt is 34.  So, the equation becomes: 
3a - 8 = 34 
Add 8 to both sides:  3a - 8 + 8 = 34 + 8 or 3a = 42 
Divide both sides by 3:  3a/3 = 42/3
Solve for a:  a = 14, so Danielle's age is 14 years old.  
 
        
             
        
        
        
It most common to round to the hundredths place, this is two spaces after the decimal. 
So look two spaces right - 0.17. If the third digit (in this case 6) is higher than 5 you round the number up if its not, keep it the same. 
"6" is greater than five, so round it to about (or approximately) 0.18.
        
             
        
        
        
there are only 3  tangent lines can be drawn that touch both circles 
ok done. Thank to me :>
 
        
             
        
        
        
Answer:
12 1/2 cups of flour
Step-by-step explanation:
2 1/2 cups for each batch
5 batches 
2 1 /2 x 5 = 
12 1 /2