Find the rational fraction in lowest terms represented by the periodic decimal.0.3
A. 
B. 
C. 
D. 
Answer: B
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Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 2i - j, w = 4i - 2j
A. parallel B. orthogonal C. neither
Solve the equation.x-2 - x-1 - 30 = 0
A. {-6, 5}
B. 
C. 
D. {6, -5}
Solve the problem.Consider the quadratic model h(t) = -16t2 + 40t + 50 for the height (in feet), h, of an object t seconds after the object has been projected straight up into the air. Find the maximum height attained by the object. How much time does it take to fall back to the ground? Assume that it takes the same time for going up and coming down.
A. maximum height = 75 ft; time to reach ground = 1.25 seconds B. maximum height = 50 ft; time to reach ground = 1.25 seconds C. maximum height = 50 ft; time to reach ground = 2.5 seconds D. maximum height = 75 ft; time to reach ground = 2.5 seconds
Use radical notation to write the expression. Simplify if possible.(243x25)1/5
A. 3x25
B. 243x5
C. 3x5
D. 3