Eh uh I need help lol:)​

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Yvaries directly as x. y =90 when x=6. find y when x=13

When you find the area of a triangle do you use in. or in2