If you wanted to find the mean height of students in an elementary school,

which group would provide the most accurate sample?

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?