Write and solve and equation for the missing dimension of the prism. volume: 1620
height: 12
base: 15
width: ?

What is the percent of increase for a population that changed from 438,000 to 561,000

Which expression is rational? 6. , square root two, square root 14, square root 49

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?