Question 5 There are seven candidates for a position. In how many ways can a selection of four be made amongut them.
so that
two persons whose qualifications are below par are excluded?
b.
two persons with good qualifications are included?
Pick the option below that has both answers correct
b. 10
b. 21
a. 5:
a. 35:
8. 120
12]
(3)
14
b. 20
b. 20
a5:

How do i solve using pythagorean theorem?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°