Aparallelogram with all angles measuring 90 degrees is what type of quadrilateral

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches, and a length of 3.2 inches?