Solve the equation.4x = 19 Round to three decimal places.
A. 1.558
B. 4.750
C. 2.124
D. 0.471
Answer: C
Mathematics
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Write the decimal number that represents the shaded part. 
A. 15.25 B. 3.75 C. 12.75 D. 3.25
Mathematics
Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 3x + 8y + 18z = 4 B. 3x - 8y + 9z = 29 C. 3x - 8y + 9z = 4 D. 3x + 8y + 18z = 29
Mathematics
Use a proportion to solve the problem. Round to the nearest tenth as needed.Find the length, L, of the lake. Assume that the two triangles are similar. 
A. 210 m B. 350 m C. 4900 m D. 23.3 m
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(9x3)-2
A. 
B. 
C. 81x6
D. 
Mathematics