What are possible coordinates of point F if ΔDEF is congruent to ΔABC? (–1,4) (4,–1) (0,–1) (–1,0)

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.