Table for the questions:
a - -3-4i
b - -7-6i
c - 13+i
d - -9+6i
e - 8-8i
f - -15+9i
g - 2+12i
h - 6-10i
1.) which two complex numbers for when subtracted from each other equal another complex number from the table?
2.) which complex number from the table multiplied with a b from the table will result in 159+27i?

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

Which graph represents the linear function below? y-3=1/2(x+2)

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect