Given f(x)=5/2x+7,if f(x)=-13 find x
pls show work...
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International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
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Which radical expression is a rational number? a. ā 360 b. ā 644 c. ā 225 d. ā 122
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Given that s is the centroid of triangle mno, find sq.
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