During the summer, Samson averaged 9.4 hours of sleep per night. Now that school has started, he averages 8.2 hours. What is the percent decrease in his sleep per night?

Can you guys plz answer this question in order and quickly plz i will give 30 points

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:

Aline passes through 3,7 and 6,9 what equation represents the line