Let x be a number. Translate the English phrase into a mathematical expression.-61 increased by a number
A. -61x
B. -61 ÷ x
C. x + 61
D. -61 + x
Answer: D
Mathematics
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Solve.Acme Communication finds that the total revenue function associated with producing a new type of cellular phone is 
and the total cost function is 
where x represents the number of units of cellular phones produced. Find the total profit function, P(x) .
A. P(x) = -2x2 + 222x - 7000 B. P(x) = -x2 + 216x + 6000 C. P(x) = x4 - 204x2 + 6000 D. P(x) = -x2 + 204x - 6000
Mathematics
Solve.Find the missing length in the right triangle shown below. 
A. 9
B. 
C. 12
D. 3
Mathematics
Decide whether or not the ordered pair is a solution to the equation.x + y = 12; (6, 2)
A. No B. Yes
Mathematics
Add. Do not use a number line except as a check.
+ 
A. -6
B. -5
C. -7
D. -6
Mathematics