Un asked six friends how many different foreign countries they'd been to. He recorded 0, 1, 1, 2,
5, and 9 countries visited
What is the mean absolute deviation of countries visited?
Round to the nearest tenth, if needed.
A. 0
B. 2.7
C. 2.9
D. 3

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

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:

What is not true about kl and mn? what is mn? (show )