Solve the system using elimination.
7x + 5y = 15
–6x – 4y = –14
a.(–6, 7)
b.(5, -4)
c.(7, –7)
d.(–4, 5)

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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 has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line