Decide whether the statement is true or false.
has the same sign as a for all nonzero real numbers a.
A. True
B. False
Answer: A
Mathematics
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Solve the problem. Where appropriate, round to the nearest tenth of a percent.The price of a printer was reduced from $400 to $160. What was the percent decrease?
A. 40% B. 65% C. 60% D. 150%
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y + x, C: x2 + y2 = 36 in the first quadrant from (6, 0) to (0, 6)
A. 72 B. 144 C. 36 D. 0
Mathematics
Write the fraction as a percent rounded to the nearest tenth, if necessary.
A. 187.5% B. 80% C. 234.4% D. 18.8%
Mathematics
Solve by the substitution method.x + 6y = 44x + 7y = 16
A. (4, 0) B. (4, 16) C. (0, 4) D. (-4, -1)
Mathematics