_-16(3)^2 = 80(3) +0 =0

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

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

In angle pqr find the measure of