What is the perimeter of PQR? Show your work.

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.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.