Perform the indicated operation. Round your answer to the nearest hundredth, if necessary.6.96(-2.8)
A. -19.49
B. -194.9
C. -0.19
D. -1.95
Answer: A
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State whether you think the difference between what occurred and what you would expect by chance is statistically significant.Of the people taking the medication, 38 out of 100 noticed improvement in their arthritis. Of the people taking the placebo, 35 out of 100 noticed improvement in their arthritis.
A. Not statistically significant B. Statistically significant
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 4x - 5
A. vertex (2, 9)
intercepts (5, 0), (- 1, 0), (0, 5)
B. vertex (-2, 9)
intercepts (-5, 0), (1, 0), (0, 5)
C. vertex (-2, -9)
intercepts (-5, 0), (1, 0), (0, -5)
D. vertex (2, -9)
intercepts (5, 0), (- 1, 0), (0, -5)
Identify the unknown amount as the percent, part, or whole.What percent of 90 is 4?
A. whole B. part C. percent
Find the area of the geometric figure. Use 3.14 for ?.
A. 75 cm2 B. 18.75 cm2 C. 7.75 cm2 D. 37.5 cm2