Identify the KEY CONCEPTS from the unit. Look back at all the lessons to assist with this. What were our learning goals and expectations for the lessons? Write them in your own words

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

How to determine whether two known pairs of points are on the same line.

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