Answer:
D. 8x - 3
Step-by-step explanation:
Simply add all the sides up - 2x+3x+3x - 1+1+1 = 8x - 3
Answer:
Not independent
Step-by-step explanation:
Given that in a certain population of married couples, 30% of the husbands smoke, 20% of the wives smoke, and in 8% of the couples both the husband and the wife smoke.
Let A be the event that husbands smoke and B the event that wives smoke
Give that

To check whether A and B are independent it is sufficient to check
P(A\bigcap B)=P(A)P(B)
Right side=
Left side = 0.08
Since two sides do not equal the two events are not independent.
Answer:
the constants are the numbers without variables(letters). so it would be 4 and -3
Step-by-step explanation:
From the choices above the answer would be: D 7y^4-13x^3 inches
Answer:
1.75 hours and 2 Hours
Step-by-step explanation: