Decide whether the following is an expression or an equation. If it is an expression, simplify it. If it is an equation, solve it.

A. Equation; 2
B. Equation; 4
C. Expression; 
D. Expression; 


Answer: D

Mathematics

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Write the corresponding augmented matrix for the system.

A.
B.
C.
D.

Mathematics

Use a system of equations to solve problem.The following table shows the per capita cumquat consumption, in pounds, in the Virgin Islands in 3 recent years. Cumquat consumptionFind a function of the form f(x) = ax2 + bx + c that fits this data. Then, using this function, what would you predict the per capita cumquat consumption to be in 1999?

A. f(x) = 0.3x2 + 0.8x + 12.8;  73.9 pounds B. f(x) = 0.3x2 + 0.8x + 13.9;  75 pounds C. f(x) = 0.3x2 + 0.8x + 10.1;  71.2 pounds D. f(x) = 0.3x2 + 0.8x + 12.4;  73.5 pounds

Mathematics

Find the median for the set of numbers.2, 5, 18, 23, 42, 45, 46

A. 42 B. 18 C. 26 D. 23

Mathematics

Determine the logarithm in base 10 of the given number to four decimal places.87

A. 1.9395 B. 1.4395 C. 4.9659 D. 4.4659

Mathematics