Answer:
20
Step-by-step explanation:
2(a+3b)=2(10)
The product is: 25x^2-5xy-6y^2
Answer:B 19.1 feet
Step-by-step explanation:
Answer: good luck
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
Given :
Mean = 40 ; Standard deviation = 2
P(x < 28)
Obtain the Zscore :
Z = (x - mean) / standard deviation
P(Z < (28 - 40) / 2))
Z = (28 - 40) / 2
Z = - 12 / 2
Z = - 6
P(Z < - 6) = 0.000000