Answer:
D
Step-by-step explanation:
A pair similar to 3 red to 1 blue is 6 red to 2 blue. Since there are already 4 red and 2 blues, then you just add 2 reds. Hope that helps!
Answer:

Step-by-step explanation:
Given that the rectangle has a height = 2, and width of 
Area of the whole rectangle can be calculated as:

Use the distributive property of multiplication by using 2 to multiply each term in the expression, 


Answer:
thank u ,..................
This can be solved by using the binomial distribution. The probability of guessing correctly is 0.5, and the probability of making a wrong guess is also 0.5.
Answer:
the answer is 30
Step-by-step explanation:
9+42:2=
9+21=
30