Given the values of x and y, find an equation of variation in which y varies directly as x.y = 50, when x = 10
A. y = 
B. y = 50x
C. y = 5x
D. y = 6x
Answer: C
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Solve the problem.If the deflection (in cm) of a beam is calculated by the expression 
, where x is the distance (in m) from one end of the beam to the point where the force is applied, then what is the deflection if the force is applied in the center of a 9.24 m beam? (The 1000 and 20 are exact numbers.)
A. 1.68 cm B. 1.677 cm C. -2.59 cm D. -3.04 cm
Find the median for the group of data items.1.4, 0.4, 0.6, 1.4, 0.2, 1.6, 0.2, 1.7, 2.1
A. 1.4 B. 1.1 C. 1 D. 0.7
Decide whether the relation defines a function.{(-6, -4), (-1, 3), (1, 2), (5, -7)}
A. Function B. Not a function
Solve the problem.A group of 3 people wants to buy a boat. The boat costs $621. If they all pay the same amount, how much is each person's share?
A. $197 B. $155 C. $217 D. $207