In a local shelter,250 people donated blood during the blood donation week. The samples collected of the different types are shown in the graph below.
Type A Type B Type O Type AB
28% 20% 36% 16%
how many more people with Type A blood donated blood than with Type B blood?
A. 20
B. 4
C. 10
D. 200

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution