ASAP NEED HELP PLEASE. In an experiment, students were given an unknown mineral. The unknown mineral was placed in 100 mL of water. Once in the water, the volume went up to 165 mL. Then when the same object was dried, then massed on a balance. It had a mass of 292.5 grams. What is the density of the unknown mineral?

Note: You only have to fill in the numerical answer. (no units)

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

For what values of x is x2 + 2x = 24 true?

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.