Given: and prove: slope of × slope of = -1 statements reasons 1. is similar to given 2. property of similar triangles 3. slope of slope of definition of slope 4. slope of slope of multiplying the slopes 5. slope of slope of substitution property of equality 6. slope of slope of = -1 simplifying the right side the table shows the proof of the relationship between the slopes of two perpendicular lines. what is the missing statement in step 2? a. b. c. d.

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