Perform the indicated operations.(x - 11y)(x - 4y)
A. x2 - 15xy - 15y2
B. x2 - 15xy + 44y2
C. x - 15xy + 44y
D. x2 - 18xy + 44y2
Answer: B
Mathematics
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Solve the problem.The variable s is proportional to t, and s = 25 when t = 100. Determine t when s = 50.
A. 4 B. 200 C. 250 D. 190
Mathematics
Simplify, if possible, by combining like terms.9a + 7b + 4a
A. 13a + 7b B. 13a + 4b C. 13a + 7 D. 20ab
Mathematics
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 1 ft, b = 6 ft
A. c = 7 ft B. c ? 6.1 ft C. c ? 5.9 ft D. c ? 2.6 ft
Mathematics
Find a formula for the nth term of the arithmetic sequence shown in the graph.
A. an = n + 2 B. an = n + 1 C. an = n - 1 D. an = n - 2
Mathematics