Answer:
y=20-3x
Step-by-step explanation:
No, that is not true. The absolute value is the distance a number is from zero. The distance of -9 to 0 is 9. 9 is not less than 4.
Answer:
Vertical: G an B. Adjacent: C and F. Supplementary: A and E. Straight: A, E. Complementary: G , B and E,A.
Answer:
Step-by-step explanation:
given that certain tubes manufactured by a company have a mean lifetime of 800 hours and a standard deviation of 60 hours.
Sample size n =16
Std error of sample mean = 
x bar follows N(800, 15)
the probability that a random sample of 16 tubes taken from the group will have a mean lifetime
(a) between 790 and 810 hours,
=
(b) less than 785 hours

, (c) more than 820 hours,

(d) between 770 and 830 hours
=
Well, not specific. But after 7 hour the bus will be 210mi away