Answer:
D
Step-by-step explanation:
To find two unknowns, you need atleast two different equations.
D.
it will show afain at 19 seconds
it May be SAS postulate
(the scale shows that 1 inch = 8 ft)
a) 56 ft [ (7 ×8) ft ]
b) 3 inches [ (24/8) inches]
