Write – 31 +(6+21 - (+31) as a complex number in standard form.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

The curved part of the figure is the semicircle what is the best approximation for the area of this figure