mathematical statement justification
−2(2x3 + 4x2 − 3) + 5(x2 − 2x − 2) } given
−4x3 − 8x2 + 6 + 5x2 − 10x − 10 }
−4x3 − 8x2 + 5x2 − 10x + 6 − 10 }
−4x3 − 3x2 − 10x − 4 }
fill in the missing justifications in the correct order.
a. combine like terms; distributive property; commutative property of addition
b. commutative property of addition; combine like terms; distributive property
c. distributive property; commutative property of addition; combine like terms
d. distributive property; combine like terms; commutative property of addition

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.