Which expression would be easier to simplify if you used the associative property to change the grouping?
A. (50 + 50) + 63
B. (§ + 3) + }
c. [-14+ (-26)] + 67
D. (43 +60) + 40

Ten times the square of a non-zero number is eqaul to ninety times the number

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.