Answer: Option D
D. 
; 
Step-by-step explanation:
We know that the cost of preschool is $ 45 per day plus a monthly fee of $ 70.
We also know that a total of $ 880 was paid last month
To write an equation that represents this situation, let us call "d" the number of days that Barry attends school
So the cost was:
Now we solve the equation for the variable d
Therefore answer is the option D
Answer:
There was 62.23% change in radius as the ion formed.
Step-by-step explanation:
Answer:
The answer is c: N + 13 = 20
Step-by-step explanation:
None of these answer choices are correct. The answer would be 51. 52+53=105
105-54=51
Answer:
look up mixed numbers calculator by calculator soup, and then you can find all of your answers! Its an amazing website! good luck (:
Step-by-step explanation:
