Which is equivalent to (-2 + 4i)(7 + 2i)?
a) -11
b) -5 + 6i
c) -6 + 24i
d) -22 + 24i

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x