Multiply and simplify. ? 

A. 5
B. 5
C. 5
D. 10


Answer: B

Mathematics

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Use properties of logarithms to expand the logarithmic expression as much as possible.log7 (r + 7)6

A. 6log7 (r + 7) B. log7 (6r + 42) C. 6(log7 r + log7 7) D. log7 r6 + log7 117,649

Mathematics

Divide. Use bar notation to write repeating decimals. -11 ÷ 3

A. -3.66
B. -3.6
C. -3.
D. -3. 

Mathematics

Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the cheerleader's baton is 1.9   .

A. mm B. km C. m D. cm

Mathematics

Solve.9x2 = 36

A.
B. 2, - 2
C.
D. , - 

Mathematics