This is 1 whole because you have to make the equation 1/4+9/12 and then you have to find the Lowest Common Denominator (LCD) then it will look like 3/12+9/12= 12/12=1 whole Hope that helped
Probability of drawing a face card =
4 suits x 3 = 12

Probability of drawing a black card =

Hope this helps. - M
if you mean that 3x+3=0 then x should equal 0
Answer:
12.57
Step-by-step explanation:
Not rounded it would be 12.56637
If you are just replacing pi with 3.14. than your answer would be exactly 12.56.