2) Maria and Jennifer each improved their yards by planting hostas and ornamental grass. They bought their supplies from the same store. Maria spent $155 on 11 hostas and 14 bunches of ornamental grass. Jennifer spent $145 on 13 hostas and 7 bunches of ornamental grass. What i the cost of one hosta and the cost of one bunch of ornamental grass?​

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