Which phrase describes a nonlinear function?

•a) the area of a circle as a function of the radius.

•b) the perimeter of a square as a function of the side length.

•c) the cost of gasoline as a function of the number of gallons purchased.

•d) the distance traveled by a car moving at the constant speed as a function of time.

Which statement best describes the polynomial

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?