Simplify the expression to a + bi form:
(12 - i) - (8 - 8i)

What is the absolute value of the complex number -4-sqrt2i

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Determine domain and range, largest open interval, and intervals which function is continuous.