23 over 21 is the right answer
23
----
21
Multiplying a vector by a scalar means to multiply each coordinate of the vector by said scalar.
So, we must multiply both entries by 7:

Answer:
The probability of the first marble being blue and second being red is a 50/50 because you have 12 red and 12 blue so 50/50
Step-by-step explanation:
The answer is 103 it's false
Answer:
2.5cm^2
Step-by-step explanation:
so diameter is basically radius*2...to find radius(since area of circle is pi*r^2 we need to divide diameter by 2)
so 1.8/2=0.9
now,
pi*0.9^2
pi*0.81
2.5 cm^2