Answer:
1/6
Step-by-step explanation:
There are 6 large squares here, all of which have been shaded but for one.
Thus, the desired fraction is 1/6.
Answer:

Step-by-step explanation:
Given
See attachment
Required
The probability that a 7th grader selected will play guitar.
From the attachment, we have:


7th graders that can play guitars are:

So, the probability is:


Answer:
SSS
Step-by-step explanation:
All sides with the same amount of lines are congruent
So, 4 x 3 is 12, so 4 blades cost 79.74 x 3 (because every turbine has 3 blades each) is 318.96
Answer:
-1
Step-by-step explanation:
Over 12 on the x axis it goes down 12 on the y axis so the rate of change is -1