Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. 38
B. 32
C. 
D. 
Answer: D
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Write and solve an equation to find the percent increase or decrease. Round your answer to the nearest tenth of a percent, if necessary.A carpeted living room and dining room area measures 34 ft by 
Mark decides to install wood flooring in the 
by 
dining room. By what percent has he reduced the area that is carpeted?
A. 61.8% B. 38.2% C. 11% D. 61.9%
Solve the problem.Jim wants to plan a meal with 136 grams of carbohydrates and 1340 calories. If green beans have 7 grams of carbohydrates and 30 calories per half cup serving and if french fried shrimp have 9 grams of carbohydrates and 190 calories per three-ounce serving, how many servings of green beans and shrimp should he use?
A. 5 half cups of beans and 13 three-ounce helpings of shrimp B. 9 half cups of beans and 7 three-ounce helpings of shrimp C. 7 half cups of beans and 9 three-ounce helpings of shrimp D. 13 half cups of beans and 5 three-ounce helpings of shrimp
Provide an appropriate response.Identify which of the following properties apply to the graph of 
I. The range is (-?, ?). II. The x-intercepts are of the form 
, where n is an odd integer. III. The function obtains a relative maximum at 
where n is an integer. IV. The function obtains a relative minimum at 
where n is an integer.
A. IV only B. II and III C. I and III D. III and IV
Find the cofactor of the indicated element of the matrix shown.a13;
A. 23 B. 14 C. -13 D. 13