(-10x^2+9)+(8x^2-5x+7)
(−10x
2
+9)+(8x
2
−5x+7)

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

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?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?