When i turn my calculator upside down, the digits 1,2,4,5,6,8 and 9 still remain the same. for example, when i turn my calculator upside down, 65259 remains the same - that is, it stays 65259. how many whole numbers between 100 and 1000 remain the same when i turn my calculator upside down.

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your