Rewrite the polynomial in descending order. Identify the leading term, the leading coefficient, and the degree of the polynomial.-x - 3x2 - 4x3 - 3x5 + 4
A. -x, -1, 1
B. -3x5, -3, 5
C. 3x5, 3, 5
D. -3x5, -3, 3
Answer: B
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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 can best be described as a
A. survey using stratified sampling. B. randomized controlled experiment. C. census. D. survey using quota sampling. E. survey using simple random sampling.
Solve the problem.Suppose that we wish to distribute the four-digit random numbers from 0000 through 9999 so that the corresponding random numbers can be used to simulate the polluting spills in the Great Lakes. If the numbers 0000 to 2465 correspond to 0 spills, what is the estimated probability of 0 spills?
A. 
B. 
C. 
D. 
Solve the equation.
+ 8 = 10
A. 10 B. 90 C. 92 D. 7
Find the greatest common factor of the list of items.x4y3, xy6, x7y
A. x7y6 B. x4y3 C. xy D. x11y9