15 − (n − 3) = 3(n + 5) help question 7

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

What is the area of the triangle 10 13 12

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.