**Answer:**

There are 54 total sweets

**Step-by-step explanation:**

Alex: Stephen : Bridget : total

4: 1 : 1 : 4+1+1 = 6

Alex gets 36

36/4 = 9

Multiply each number by 9

Alex: Stephen : Bridget : total

4*9: 1*9 : 1*9 : 6*9

36: 9 : 9 : 54

There are 54 total sweets

**Answer: **

y = 4x² -19x -5

**Step-by-step explanation: **

When you graph it (or use an appropriate tool), it can help us to figure out that the equation is:

y = 4x² -19x -5

(Quadratic regression = the process of determining the equation of a parabola that best fits a set of data)

<em>Hope this helps, have a nice day :D</em>

Yes it will isnt that amazing now you can do more stuff.

There is no relationship between the grade level and the number of siblings each student has.

**Explanation****:**

All the points are scattered

**Answer:**

45.8366236105

**Step-by-step explanation:**

1200=pi*5^2*(h/3)

15.2788745368
=h/3

45.8366236105