1pt = what fl oz please I need this asap

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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.