Perform the indicated operations. Simplify the result.
- 
A. 
B. 
C. x + 7
D. 
Answer: D
You might also like to view...
Decide whether the statement is true or false.A figure is said to be convex if, for any two points A and B inside the figure, the line segment AB is at least partially inside the figure.
A. True B. False
Solve the problem.A 80-m-long, 8.9-mm-diameter rope hangs free from a ledge. The density of the rope is 55 g/m. How much work is needed to pull the entire rope to the ledge?
A. 176g J B. 176,000g J C. 4.4g J D. 16g J
Determine whether the value of x = -1 is a solution of the equation.
?
?
A. No B. Yes
A doughnut shop sells a dozen doughnuts for $4.75. Beyond the fixed costs (rent, utilities, and insurance) of $220 per day, it costs $2.5 for enough materials (flour, sugar, and so on) and labor to produce a dozen doughnuts. The daily profit from doughnut sales varies from $60 to $270. Between what levels (in dozens) do the daily sales vary? (Round your answer to two decimal places.) ?
A. 124.44 < x> 217.78 B. ?124.44 < x< 217.78 C. ?124.44 < x ? 217.78 D. ?124.44 ? x< 217.78 E. ?124.44 ? x ? 217.78