Solve.In Canada, a sign states that the speed limit is 120 kph. What speed is this in miles per hour? (Round to the nearest mph.)
Fill in the blank(s) with the appropriate word(s).
75 mph
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 - 2t)i + (2 + 9t)j + (6t - 2)k, 5 ? t ? 9
A. 1694 B. 154 C. 44 D. 484
Mathematics
Solve.Find the intersection: {-5, 0, 2, 5} ? {2, 5, 7}.
A. {2, 5} B. {-5, 0, 2, 5, 7} C. {-5, 0, 2, 5} D. {2, 5, 7}
Mathematics
Find the area enclosed by the given curves.y = csc 2 x, y = cot 2 x, x = 
, and x = 
A. 
B. 
C. 
D. ?
Mathematics
Answer the following statement(s) true (T) or false (F)
Student preconceptions are formed through both in-school and out-of-school experiences.
Mathematics