-1/2x-2y=4 what is the answer?

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

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