There are 90 girls and 60 boys in the sixth grade at middle school. Of these students, 9 girls and 3 boys write left handed. What percentage of the sixth graders at this middle school write left handed?

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

Standard deviation of 19,29,21,22,23