Find an equation of variation in which the following are true.y varies directly as x and inversely as z, and y = 4 when x = 2 and z = 4.
A. y = 
B. y = 11xz
C. y = 
D. y = 
Answer: D
Mathematics
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Select the more reasonable temperature for the item.Making hot tea85°C85°F
A. 85°C B. 85°F
Mathematics
Which of the following was NOT identified by Friel, Curcio, and Bright (2001) as one of the four main factors that influence graph comprehension?
a. Learning syles b. Purposes for using graphs c. Task characteristics d. Student characteristics
Mathematics
Multiply.(-7x2)(2x3)
A. -14x6 B. 9x5 C. 9x6 D. -14x5
Mathematics
Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: portion of the sphere x2 + y2 + z2 = 64 that lies in the first octantDensity: constant
A. 
B. 
C. 
D. 
Mathematics