18x -1 (-3x + 9) distributing a negative number (plz I need help I need to get this done ASAP)

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: