A swimming pool is 20 m wide, 15 m long and 2 m deep. How much water will it take to fill this pool completely?

Can some one explain this i got sent this. is this a threat i’m scared

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Find the percent error of the measurement 4 cm