Find the percent of discount. round to the nearest tenth.
original price $21,240; selling price $15,360

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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}.

What is the value of x in the equation 3x4y65, when y=4?