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:
1. Your answer would be C) 2√3-5√2.
2. Your answer would be -39.7i.
3. Your answer would be -1.
Step-by-step explanation:
<span> You refer to a multiple of ten. As a multiple of ten you can just add it to another number easier than a "ones number".</span>
<span>6.89 + t = 8.00</span><span>
t = 8 - 6.89
t = 1.11
tips = $1.11
</span>answer
a.6.89 + t = 8.00