Tenley made a square frame for her painting. she used 4 pieces of wood that were each 2.75 feet long. how much wood did tenley use in all to make the frame

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.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?