Which of the following is always true about the center of the inscribed circle of a triangle 1) it is equidistant from the three vertices
2) it lies on the perpendicular bisector of one of the sides
3) it lies at the midpoint of the longest side of the triangle
4) it lies equidistant from each side of the triangle

Question 5 spring semester final exam math evaluate

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %