Solve. Round your answer to the nearest tenth, if necessary.The length of a rectangular storage room is 5 feet longer than its width. If the area of the room is 50 square feet, find its dimensions.
A. Width is 4 feet; length is 11 feet
B. Width is 5 feet; length is 10 feet
C. Width is 6 feet; length is 11 feet
D. Width is 4 feet; length is 9 feet
Answer: B
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Solve the equation and state the solution set.
+ 
= 
A. {14} B. {9} C. {7} D. {12}
Match the graph to one of the listed functions. 
A. f(x) = -x2 + 4x B. f(x) = x2 + 4 C. f(x) = -x2 + 4 D. f(x) = x2 + 4x
Write the following as an equation, using x for the unknown number. Then solve.If 4 times a number is added to -7, the result is equal to 11 times the number. Find the number.
A. 15x - 11x = 7; 1 B. 4x + (-7) = 11x; -1 C. 11(4x - 7) = -7; -1 D. 4x + (-7) = 11x; 1
Solve the problem.Anne and Nancy use a metal alloy that is 17% copper to make jewelry. How many ounces of an alloy that is 11% copper must be mixed with an alloy that is 22% copper to form 55 ounces of the desired alloy?
A. 27 ounces B. 30 ounces C. 25 ounces D. 35 ounces