A geometric sequence is represented by an = a1rn-1 . What is the 7th term of a geometric sequence in which a1 = -243 and the common ratio is -1/3?
-1/3
-1/9
1/9
1/3

Which expression shows the sum of the polynomials with like terms grouped together

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

What is the equation of a line passing through (-6,5) and having a slope of 1/3