John had a stock of 1200 books in his bookshop. He sold 75 on Monday, 56 on Tuesday, 64 on Wednesday, 78 on Thursday and 135
on Friday. What percent of the books was still not sold?

Secant be and cf intersect at point d inside a what is the measure of cde

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?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1