In the right triangle shown, m B
с
12
45
A
How long is BC?

BC = =12

Step-by-step explanation:

if the triangle is ABC and have part 12

and right angle from B and have an angle 45 then the third angle is 45 too

then we have another part is 12

and the BC = =12

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw