in a certain city, a man recorded the speeds of cars driving past his house, where the speed limit sign read 20 mph. The mean of 100 readings was 21.96 mph, with a standard deviation of 3.28 mph. One car's z-score was + 1.5. How fast was that car going? The car was traveling at mph

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?