Explain how to graph the inequality x > -2

Which expression is equivalent to 2x^2+7x+4?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

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