The draws are independent, so

There is a total of 11 marbles in the bag, so

and

So

34) (t-4)+(-4t+1)
Answer: -3t-3
36) 3(x^3-3x^2)+2
Answer: 3x^3-9x^2+2
38) (3x-1)(x^3-2-2x)
Answer: 3x^4-x^3-6x^2-4x+2
Answer:
four of the dogs pounds are 18-19
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
I don't think you have to explain
Answer:
x = 30
Step-by-step explanation:
Given the expression
-2/3 x - 1 =19
We are to find the value of x
Add 1 to both sides
2/3 x -1 +1 = 19+1
2/3 x =20
Multiply
2/3x × 3 = 20×3
2x = 60
x = 60/2
x = 30.
Hence the value of x is 30