Answer:
In order to find the slope, you need to find the difference in the x values and the difference in the y values. To do this, you write out y2-y1/x2-x1, insert your x and y values, and get your answer. Then, you find your y-intercept (where the x value is 0).
Answer:
A 0.24 probability that one string is defective
Step-by-step explanation:
The sample probabiity:


If important to notice that this probability is from the sample, it can be extrapolated to the population but may not be the same.
Answer:
8(3x-5)
8 is the GCF of 24 and 40 so you write 8 and in brackets you put your terms after you divide by 8 so you get 3x and -5 so it is written as 8(3x-5)
9 students
30% ends up being .3%, multiply .3% by 30 students which equals 9.