Which land surface would produce greater thermals - a large concrete parking lot, or a large asphalt parking lot? explain your answer.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?