Trevor had guess there were 357 toothpicks still in the box. There were actually 340. What was his percent error?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9