Use the graph at the night. Find the vertices of the image of QRTW for a dilation with center (0,0) and a scale factor of 3

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

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss