Figure ABCD is a trapezoid. Which sequence of transformations will carry figure ABCD onto itself?

a reflection across side b followed by a 180° rotation about point A

a reflection across side b followed by a 360° rotation about point A

a reflection across the line joining the midpoints of DA and CB followed by a 180° rotation about the midpoint of DA

a reflection across the line joining the midpoints of DA and CB followed by a second reflection about the line joining the midpoints of DA and CB

(hurry! ) which expression is equivalent to the following complex fraction?

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0