Find the mean of the integers -16,-27,21,-19,14,-3

What is the smallest integer n such that n\sqrt{2} is greater than 20

Use the graph of the sine function y=2sinθ shown below

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m