I used the completing the square method to get the (x+2)^2. The final line is in standard form.
Answer=7 minivans
45/7=6.4
since you can't have 0.4 minivans, we round up 6.4 to 7
Triangle, not a triangle, not a triangle, triangle
Determining if three side lengths can make a triangle is easier than it looks. All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle.[
