Identify the system as consistent or inconsistent, and dependent or independent.x + y = 3x - y = 1
A. Consistent and independent
B. Consistent and dependent
C. Inconsistent and independent
D. Inconsistent and dependent
Answer: A
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Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 2x2 and below by y = 4x3
A. 
B. 
C. 
D. 
Decide whether the statement makes sense. Explain your reasoning.If you have $5, then you will buy a hot dog; and, contrapositively, if you don't have $5, then you won't buy a hot dog. (Hint: focus on whether the word "contrapositively" is used correctly.)
What will be an ideal response?
Solve the problem.Jackie's sisters weigh 111 lb, 141 lb, 129 lb, and 127 lb. The average female in her city weighs 136.2 lb. How much does Jackie weigh if she and her sisters have an average weight of 136.2 lb?
A. 128.8 lb B. 127lb C. 284 lb D. 173 lb
A tamoxifen study claims that a combination of chemotherapy and the hormone therapy tamoxifen is more effective than tamoxifen alone in preventing breast cancer. In the study, a group of researchers from the U.S. and Canada studied 1477 postmenopausal women with early-stage breast cancer. The women were randomly assigned to one of three study groups. Group A (361 patients) received tamoxifen alone on a daily basis for five years. Group B (566 patients) received chemotherapy and tamoxifen for six months, and then completed five years of tamoxifen treatment. Group C (550 patients) received chemotherapy alone for six months followed by five years of tamoxifen treatment. All 1477 patients knew which treatment they were receiving.This study is
A. not an experiment. B. double-blind. C. blind, but not double-blind. D. not blind. E. none of these