A pillow is the shape of a kite. Heath wants to create a design connecting opposite corners from point B to point D, and from point A to point C. Find the amount of cording needing. One package of cording contains 5 inches of cord. How many packages does Heath need?

A. about 16.2 in, 4 packages
B. about 20.2 in., 5 packages
C. about 13.9 in., 3 packages
D. about 15.8 in 4 packages

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

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 %