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42. If a + b = 7 and ab = 10 then a – b?
(a) 7
(b) 5
(c) 4
(d) 3​

By Athena

42. If a + b = 7 and ab = 10 then a – b?
(a) 7
(b) 5
(c) 4
(d) 3​

About the author
Athena

9. The following table records the maximum
and minimum daily temperatures of a city
on five consecutive days.
Days<

8. If you borrow $200 at 10% for seven
years, how much will you pay back by the
end of the term?​

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