19. The areas of two similar triangles are 72cm^2 & 162cm^2. What is the ratio of the lengths of their corresponding sides?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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:

How can you tell when x and y are not directly proportional?