Answer:
b. 82m³
Step-by-step explanation:

Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is 
The standard deviation is 
Generally the standard error of the mean is mathematically represented as

=> 
=> 
B. represents a dialation
Answer:
A. 189,600
Step-by-step explanation:
(79×60)×5=23700
23700×8=189600
Answer:
The answer to your question is v = 13.5 m/s
Step-by-step explanation:
The find the initial velocity, just substitute the values given in the formula and simplify.
v = u + at
u = initial velocity
a= acceleration
t = time
v = 3 + (1.5)(7)
v = 3 + 10.7
v = 13.5 m/s