Answer:
Using the "AC Method" I got (w - 2) (w + 9)
Step-by-step explanation:
4n-9=15. N=6 (n stands for number)
I'm pretty sure its the second one
Answer:
1.20
Step-by-step explanation:
Let mean be represented by M and standard deviation by d. The score will be x and sample number of games be n
To get the test statistic, t for Fernanda's test, we use the formula

Substituting 156 for mean, M then 150 for score x and 30 for standard deviation while 36 for n then

t=1.20 when put in two decimal place
Answer:
see explanation
Step-by-step explanation:
The inscribed angle ABD is on half the central angle ACD, that is
∠ ABD = 0. × 50° = 25°
The measure of arc AD is equal to the central angle it subtends, thus
arc AD = 50°