Plz last attempt on quiz i dont understand. an student is listening to songs that are on his phone. on his phone, he has 10 country songs, 15 pop songs, 5 r& b songs, 10 rap songs, and 5 techno songs (for a total of 45 songs). he set his phone to shuffle so that it randomly plays music. if the phone randomly selects the next song, what is the probability that it will play a pop song?

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

Keith bought a package with 2 9/16 pounds of ground meat to make hamburgers he has 2/5 pound of grounded meat left about how many pounds of grounded meat did he use for the hamburgers