Since you can only multiply the 2 and 4 together, you get 8x^2.
The formula of a slope:

We have the points (-8, -20) and (5, 2). Substitute:

Answer: The slope is 
Question attached
Answer:
130
Step-by-step explanation:
Number of students old donors can be calculated from the Pareto chart by adding number of blood donors on the different bars:
Type 0= 50
Type A= 35
Type B =30
Type AB =15
Therefore 50+35+30+15=130 blood donors
0.50 24 times is the answer just multiply them