Which expression can be added to the right side of the equal sign form an equation? 8•7 - 4= a. (2+9)x2 b. 10x3-6 c. 9x5+7 d. 9(12÷2)

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

What is the the greatest common factor ?