Perform the indicated operation. Simplify your answers. 
- 
A. 
B. 
C. 
D. 
Answer: B
You might also like to view...
Evaluate the expression according to the order of operations.(13 - 11)2 + (3 + 2)2
A. 49 B. 17 C. 29 D. 61
Solve the problem.A company wishes to analyze a new room deodorizer. The active ingredient evaporates at a rate proportional to the amount present. One third of the ingredient evaporates in the first 20 days after the deodorizer is installed. If the deodorizer becomes ineffective after 85% of the active ingredient has evaporated, how long will one of these deodorizers remain effective? Round to the nearest whole number as needed.
A. 45 days B. 100 days C. 94 days D. 26 days
The Number Two Plumbing Co. charges $45 per hour plus a fixed service call charge of $50.
Write an equation that will allow you to compute the total bill for any number of hours, x, that it takes to complete a job. A) C = 50x + 60 B) C = 60x + 50 C) 60x + 50C = 0 D) 50x + 60C = 0
Solve.If the mass of an object is 4.69899 × 102 tons and its density is 4.79 × 10-2 tons per cubic foot, find the volume of this object. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 9.81 × 104 cubic feet B. 98.1 × 103 cubic feet C. 9.81 × 102 cubic feet D. 9.81 × 103 cubic feet