Evaluate the following integral over the specified region. assume (r comma theta )(r,θ) are polar coordinates. modifyingbelow integral from nothing to nothing integral from nothing to nothing with upper r startfraction da over (16 plus x squared plus y squared )squared endfraction∫∫r da 16+x2+y22; upper r equals startset (r comma theta ): 1 less than or equals r less than or equals 3 comma 0 less than or equals theta less than or equals pi endsetr={(r,θ): 1≤r≤3, 0≤θ≤π} m

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?