Answer:
5
Step-by-step explanation:
6a = (a*-3) + 45
then:
6a = -3a + 45
6a + 3a = 45
9a = 45
a = 45/9
a = 5
Check:
6*5 = (5*-3) + 45
30 = -15 + 45
Answer:
.
Step-by-step explanation:
Answer:
228
Step-by-step explanation:
Answer:
thus is what i learnd as a baby 64CK NI>GGA DI PSY SH :]
Step-by-step explanation:
The sample mean is equal to the population mean.

The standard deviation of X-bar (the standard error) is: