You drive 4 miles from your house to your friend's house. your house is at an elevation of 622 feet. your friend's house is at an elevation of 486 feet. what is the mean change in elevation per mile?

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:

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

Atoss of a 20-sided die is equally likely to be any integer between 1 and 20 inclusive. what is the variance? provide your answer to two decimal points.