Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = 
where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 12 when 
If necessary, round the answer to the nearest tenth of a second.
A. 1 sec
B. 1.2 sec
C. 0.3 sec
D. 1.3 sec
Answer: B
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Solve the problem.For the triangle with vertices located at A(5, 5, 3), B(2, 4, 2), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
From atop a building 30 feet high, a rock is tossed upward with an initial velocity of 18 feet per second. The distance D, in feet, above the ground after t seconds is given by
.
A: Make a graph of distance up from the ground versus time.B: Make a graph of the velocity of the rock from the time it is tossed until it hits the ground. Be sure to label your graph appropriately.
What will be an ideal response?
Provide an appropriate response.All bond interest is tax exempt.
A. True B. False
Round the money amount to the nearest cent or dollar as indicated.$4999.51, nearest dollar
A. $4000 B. $5000 C. $4999.5 D. $5