find the number of molecules are there in 15 decimeter cube of no2 gas please answer ASAP due in 10min please show working and i will make brainliest go r the first and correct person. Mind you no linkif you don't know it don't answer. THANK YOU​

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

What is the measure of one interior angle of a pentagon