8. which of the following is true of the commutative property under subtraction? a. 10 – 9 = 10 – 9 b. 10 + 9 = 9 + 10 c. 10 – 9 = 10 + 9 d. 10 – 9 ≠ 9 – 10

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

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 are the greatest common factor of 75 and 30