Answer:
40 ft squared
Step-by-step explanation:
to find the area of a triangle, you do base x height divided by 2
5 x 16 = 80
80 divided by 2 is 40
Answer:
Standard error
Step-by-step explanation:
The standard deviation of the distribution of sample means is called the standard error of the means.
It is denoted by:
The standard error is calculated using the formula:
where n is the sample size and is the population standard deviation.
2y+14=28
-14=-14
—————-
2y=14
14/2=y
Y=7