I hope this helps you
1) 32-8= 24
2) -27 18 27+18=45
3) -24 -11 24-11=13
Percent error = \frac{measured - actual}{actual} x 100%
The percent error would be 27.27%
imagine the diagonal of a rectangle being the split between two triangles. you are trying to find the longest side of the triangle, which is the "diagonal" of the rectangle.
to find the length of a side of a triangle, use the Pythagorean theorem. it is : a^2 + b^2 = c^2
so... plug in your data like this...
15^2 + 12^2= c^2.
225 + 144 = the square root of 369.
that is rounded to 19.2
this is just how I would solve this problem, if I helped you out please just let me know by voting me brainliest! Haha just kidding :)
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7.50 dollars because per each mile its $2.50 . and $2.50 times 3 equals $7.50