A total of 250 people were surveyed about whether or not each person carries a cell phone. The results are shown below in relative frequency table. Which statement is correct?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.