Simplify.m17 ? m21
A. 38m
B. m4
C. m357
D. m38
Answer: D
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Solve the problem.The perimeter of a rectangle is 58 m. If the width were doubled and the length were increased by 5 m, the perimeter would be 78 m. What are the length and width of the rectangle?
A. width 9 m, length 14 m B. width 5 m, length 24 m C. width 14 m, length 14 m D. width 24 m, length 5 m
Solve the problem.On a given day, the net income (in thousands of dollars) for five banks in a certain city is given in the table.What is the total net of these incomes? 
A. 40 thousand dollars B. -378 thousand dollars C. 50 thousand dollars D. 378 thousand dollars
Find the best buy (based on cost per unit).You have a coupon for 93 cents off Brand A cereal and a coupon for 45 cents off Brand B. A box of Brand A cereal costs $3.10 for 15.5 ounces. A box of Brand B cereal costs $4.05 for 22.5 ounces. If you use a coupon, which cereal is the better buy?
A. Brand B B. Not enough information C. Brand A D. Equal value
Evaluate the expression. Round your result to two decimal places.
?
?
A. 4.21 B. 2.21 C. 3.21 D. 0.21 E. 1.21