Solve the equation for s.log (8s - 7) = r - 3

A.
B.
C.
D. 1010 + r


Answer: C

Mathematics

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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 

A. 81? ft2/ft B. 9? ft2/ft C. 18 ft2/ft D. 18? ft2/ft

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Convert the quantity to the desired unit.How many days are in 6 weeks?

A. 84 B. 144 C. 42 D. 360

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Multiply.(p + 7q)(p - 7q)

A. p2 - 14q2 B. p2 - 14pq - 49q2 C. p2 - 49q2 D. p2 + 14pq - 49q2

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Write in logarithmic form.2-3 = 

A. -3 = log1/8 2
B.  = log2 -3
C. -3 = log2 
D. 2 = log-3 

Mathematics