9/16,-9/8,9/4,-9/2, what is the next missing number in the sequence above? hurry need asap

Arational number that is equivalent to -20/4?

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?

Leila is buying a dinosaur model. the price of the model is xxx dollars, and she also has to pay a 7\%7%7, percent tax.