PLEASE ANSWER ASAP Select all equations for which -2 is a solution.

1) x^2=4
2) x^2=-4
3) x^3=8
4) x^3=-8
5) -x^2=4
6) (-x)^2=4

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made