The McBrides drove 317 miles on one day and 289 on the next day. What is the best estimate of the number of miles the McBrides drove in all during the two days?

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

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?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?