Solve the problem.A nail 3
inches long is driven into a board 1
inches thick. How much of the nail protrudes from the other side of the board?
A. 
in.
B. 
in.
C. 4
in.
D. 1
in.
Answer: D
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Solve the problem.According to the Gas Kinetic Theory, the average speed of a gas particle is given by 
where 
is the speed in m/s, k is the constant 1.38 × 10-23, T is the temperature of the gas in Kelvin, and m is the mass of the gas particle in kg. What is the average speed of an oxygen molecule with a mass of
at a temperature of 500 K?
A. 1020 m/s B. 174 m/s C. 575 m/s D. 330,700 m/s
Determine whether the given equation is linear or nonlinear.7x + 2 = 9
A. linear B. nonlinear
Solve the problem.A painter needs to cover a triangular region 61 meters by 69 meters by 72 meters. A can of paint covers 70 square meters. How many cans will be needed?
A. 14 cans B. 3 cans C. 28 cans D. 318 cans
Add the integers.-10 + (-18)
A. -8 B. 8 C. -28 D. 28