For which situations is it appropriate to use a sample? Select three options. What percentage of pick-up truck drivers want their next vehicle purchase to be another pick-up truck? What is the average number of rainbows each year in Honolulu? How many pedestrians would use a walkway built over a busy road? How many police cars are equipped with computers? What is the most popular car color in the teachers’ parking lot?

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?