The length and width of a rectangle must have a sum of 80. find the dimensions of the rectangle that will have the maximum area. [hint: let x and 80−x be the length and width. the area can be described by the function f(x)=x(80−x).]

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:

Can someone me with these two circle theorem questions asap?

Select the graph of the solution. click until the correct graph appears. |x| = 3