(x^3-2x^2-4) (-3x^2+x)

Simplify the expression 10/11(22z) + (a+5) -1

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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