Use the Pythagorean Theorem to solve for x (round your answer to the nearest tenth, write the answer as x=?) please an thanks.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.