Answer:
5
Step-by-step explanation:
10 and log5 cancel, because they're inverse operations.
Answer:
x = 1
Step-by-step explanation:
Subtract 3 from both sides
x+ 3 - 3 = 4 - 3
gives x=1
Answer:
x + y = -6
Step-by-step explanation:
Standard Deviation, σ: 1.870828693387
Count, N: 4
Sum, Σx: 12
Mean, μ: 3
Variance, σ2: 3.5