Answer:
13
Step-by-step explanation:
The coeficcent of a term xa where a is the variable is x. Thus 13a results in 13 as the coeficcent
0.5 x 4 = 2 feet / 2 feet in 4 seconds
15 - 2 = 13
New depth: 13 feet
0.4 x 3 = 1.2 feet / 1.2 feet in 3 seconds
13 - 1.2 = 11.8
New depth: 11.8 feet
Answer:
72 words per minute
1.2 words per second
Step-by-step explanation:
HOPE THIS HELPS
PLZ MARK BRAINLIEST