The average composite ACT score for Florida students who took the test in 2016 was 21.4 with a standard deviation of 1.05. A random sample of 25 students took the exam in 2013 and had a mean score of "19"

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

What are the exclude value of mn+3m

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?