Saturn’s rings span up to about (7.5 · 10-1) of the distance between the earth and its moons. if saturn’s rings span up to (2.82 · 105 kilometers, what is the distance between earth and its moons. 3.76 · 105 km 21,150 km 21.15 · 104 km 2.115 · 105 km

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

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