Translate from English to an algebraic expression or equation, whichever is appropriate. Let the variable x represent the number. A number increased by 7 equals 12.
A. 12x = 7
B. 7x = 12
C. x + 12 = 7
D. x + 7 = 12
Answer: D
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Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with 
corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. December; $10,100 B. March; $10,100 C. June; $7100 D. September; $4100
Insert the symbol < or > between the pair of numbers.-9 
-1
A. > B. <
Convert. Round to the nearest tenth unless otherwise indicated.A summer day on the North Slope of Alaska can have a temperature as low as -18°C. What is t his temperature in degrees Fahrenheit?
A. -10.0°F B. 27.8°F C. -32.4°F D. -0.4°F
Find the real solutions of the equation.(5x - 4)1/2 = 4
A. 
B. {16}
C. {4}
D. 