Solve the initial value problem.ty' + (1 + t)y = 2; y(4) = 2
A. y = 
B. y = 
C. y = 
D. y = 
Answer: B
Mathematics
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Determine the measure of the interior angle at vertex A.
A. 180° B. 120° C. 90° D. 200°
Mathematics
Solve.The velocity v of a falling object (ignoring air resistance) is directly proportional to the time t of the fall. If, after 4 seconds, the velocity is 128 feet per second, what will its velocity be after 9 seconds?
A. 
foot/second
B. 288 feet/second
C. 133 feet/second
D. 285 feet/second
Mathematics
Write interval notation for the graph.
A. [-5, -1) B. (-5, -1] C. [1, 5) D. (1, 5]
Mathematics
Add. Do not use a number line except as a check.- 
+ 
A. - 
B. 
C. - 
D. 
Mathematics