A group of preschool classes has 48 girls and 35 boys. What is the ratio of boys to
all children in the preschool classes?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?