.015 x .703 how to work it out

Is a positive integer raised to a negative power always positive

Which number line represents the solution set for the inequality -1/2x> 24?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)