Convert the measurement to the specified units.4200 inches to feet
A. 420 feet
B. 50,400 feet
C. 350 feet
D. 1400 feet
Answer: C
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Provide an appropriate response.The standard normal probability density function is defined by f(x) = 
e- x2/2. (a) Show that 
dx = 
.(b) Use the result in part (a) to show that the standard normal probability density function has mean 0.
What will be an ideal response?
Translate the problem situation to a system of equations. Do not solve.Alice's Restaurant has a total of 236 seats. The number of seats in the 
section is 26 more than twice the number of seats in the smoking section. How many seats are in each section?
A. x + y = 236; x = 2y + 26 B. x + y = 26; x = 2y + 236 C. x - y = 236; x = 26 - 2y D. x + y = 236; x = 2y - 26
Solve.The baking time for bread is the ratio of its volume V to its surface area S. For a round (i..e., spherical) loaf of bread, V = 
?r3 and S = 4?r2. Express the ratio 
in simplest form.
A. 3r
B. 
C. 
D. 
Identify the conic section that the polar equation represents. Describe the location of a directrix from the focus located at the pole.r =
A. hyperbola; The directrix is 1 unit(s) below the pole at y = -1. B. hyperbola; The directrix is 1 unit(s) above the pole at y = 1. C. hyperbola; The directrix is 1 unit(s) to the right of the pole at x = 1. D. hyperbola; The directrix is 1 unit(s) to the left of the pole at x = -1.