Solve the problem.Evaluate 
at t = 7 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 5
B. 
C. - 
D. 
Answer: B
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Provide an appropriate response.Determine AB if AC = 26 cm and BC = 24 cm.
A. 50 cm B. 2 cm C. 35 cm D. 10 cm
Solve the problem.
Barbara knows that she will need to buy a new car in 3 years. The car will cost $15,000 by then. How much should she invest now at 6%, compounded quarterly, so that she will have enough to buy a new car?
A. $13,349.95 B. $13,727.12 C. $11,881.40 D. $12,545.85
Solve by the substitution method.0.2x + 0.9y = -3.2 x - 0.5y = 4
A. ? B. {(0.2, -0.4)} C. {(-4, 2)} D. {(2, -4)}
Solve the problem.The volume of water added to a circular drum of radius r is given by 
, where 
is volume in cu ft and t is time in sec. Find the depth of water in a drum of radius 3 ft after adding water for 4 sec. (Round result to one decimal place.)
A. 0.8 ft B. 1.4 ft C. 2.2 ft D. 0.7 ft