Which graph best represents the solution to the following system?
5x - 2y < (less than or equal to) 10
x + y < 5
graph choices below.

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Is the number 128.439 a rational number