Always wear a helmet when riding a bike because riding without one is stupid. which revision exhibits the best word choice for the underlined portion of the sentence? riding without one is dangerous and reckless. riding without one is insane and regrettable. riding without one is an uninformed choice. riding without one is not right for you.

riding without one is dangerous and reckless.

Explanation: The choice of the words "dangerous" and "reckless" manages to convey the same meanings implied in "stupid" (most importantly, the danger) without using offensive words. "Insane and regrettable" is too extreme and less informative, while "an uninformed choice" and "not right for you" are downright vague.

he believed if we do not fight back the britins would be in every household

we know that, volume of a rectangular prism is given by :

✿   {length × width × height}

given : the length of rectangular prism = 5.5

given : the width of rectangular prism = 6

given : the height of rectangular prism = 3

⇒ the volume of given rectangular prism = {5.5 × 6 × 3}

⇒ the volume of given rectangular prism = 99