What is m∠dbc if m∠dba = 85°?

a. 23°
b. 20°
c. 31°
d. 147°

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2