1.) An unknown substance has a mass of 150g and displaces 20.50mL of water -Calculate the density
-Identify the substance

2.) An unknown substance has the dimensions of 20cm x 75 cm x .5 cm and a mass of 59,250 g.
-Caculate the density
-Identify the substance

3.) An unknown has a volume of 100mL and has mass of 80g.
-Caculate the density
-Identify the substance

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.