Identify the following fraction as a proper fraction, an improper fraction, or a mixed number.
A) Proper fraction
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Perform the indicated operation and express with the proper accuracy and precision. The first number given is approximate and the second number is exact. (Use calculator if needed).19.025 - 36.8
A. -17.775 B. -17.8 C. -18 D. 17.775
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 250 miles in the same time that Dana travels 230 miles. If Chuck's rate of travel is 4 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 46 mph B. 45 mph C. 55 mph D. 50 mph
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x - 1)2 - 1
A. (1, -1), down B. (0, -1), up C. (-1, 0), up D. (1, 1), down
Find a bound on the real zeros of the polynomial function.f(x) = x4 - 7x2 - 18
A. -25 and 25 B. -18 and 18 C. -26 and 26 D. -19 and 19