Quan did a lab in chemistry class and found that the substance he was given had a mass of 3.4 G and a volume of 1.2 6ML. his teacher told him the following densities : calcium 1.55G/ML, magnesium 1.74G/ML, aluminum 2.7 G/ML, Iron 7.87, silver 10.5 G/ML, lead 11.34G/ML. can you identify what substance Quan has? ANSWER QUICK PLEASE!!

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Which of the following is the graph of y= square root -x-3

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2