Solve: 4x-19-x
what is the value if X? pls explain if u can

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

What is the measure of the smallest angle in the diagram? 15 29 32 45