curve/s. 1. From the records of XYZ University, there were 1564 freshmen students who took the IQ test during 1ª Semester of S.Y. 2018 – 2019. Assume that the IQ test scores are normally distributed with a mean of 108 and a standard deviation of 12. How many students have IQ scores a. below 100 b. above 120 c. between 95 and 125

Please help Solve by elimination -2x + 3y = 6, 8x – 4y = 8

Please solve the last 3 problems, I just submitted and have solution to the first 3 problems .

Mr. O'Dell and Mr. Johnson begin running laps around a one mile track at the same time. Mr. O'Dell completes a mile every 6 minutes and Mr. Johnson completes a mile every 8 minutes. How long will it take for them both to finish a lap at the same time?

please solve this with clear text, as the last solution was not clear, also with full detail as well