What is the sum of 11.11 km and 22.2 km using the correct number of significant digits?

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.

Aline passes through the point (9,-7) and has a slope of 4/3 write an equation in point-slope form for this line. first to answer correctly gets brainleist