To convert 345 millimeters to liters, which proportion should i use? 1,000ml/1l=x/345ml 1,000ml/x=1l/345ml 1,000ml/1l=345ml/x 1,000ml/x=345ml/1l

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?