Which of the following statements about time zones is true? A.
Time zones are based on the days of the week.
B.
Time zones sometimes follow the borders of countries.
C.
Time zones’ boundaries are perfectly vertical lines (north to south).
D.
Time zones’ boundaries are perfectly horizontal lines (east to west).

Please select the best answer from the choices provided

A
B
C
D

What is always true when two whole numbers are subtracted?

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 %

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6