Solve the logarithmic equation.log 5x = log 4 + log (x + 2)
A. 8
B. 
C. 
D. -8
Answer: A
Mathematics
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Solve.Sally needs to determine the distance at certain points across a lake. Her crew and she are able to measure the distances shown on the diagram below. Find how wide the lake is to the nearest tenth of a meter.
A. 80 m B. 132.7 m C. 165.5 m D. 8.9 m
Mathematics
Factor completely.4x + 12
A. 4 B. 3(x + 4) C. 4(x + 3) D. 4(x + 12)
Mathematics
Simplify the algebraic expression.
A. -8m
B. 
C. -80m
D. -80
Mathematics
Give the degree and the leading coefficient of the polynomial.9x + 18 + 4x2 - 2x3
A. degree: 3; leading coefficient: 2 B. degree: 3; leading coefficient: 9 C. degree: 3; leading coefficient: -2 D. degree: 2; leading coefficient: 4
Mathematics