Asap!

what is the measure of the indicated central angle?

a) 72 degrees
b) 144 degrees
c) 35 degrees
d) 62 degrees
e) none of the above

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Can someone tell me if this is perpendicular? !

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62