Find the cofactor of the indicated element.a12
A. 5
B. 22
C. 15
D. -22
Answer: D
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Solve the problem.A cereal factory has weekly fixed costs of $32,000. It costs $1.37 to produce each box of cereal. A box of cereal sells for $3.85. Express the cost function c(x) that gives the total weekly cost of producing x boxes of cereal.
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Solve the problem.A mother is choosing which baby foods to serve her infant. A jar of meat has 
of protein and 32 calories. A jar of vegetables has 
of protein and 16 calories. How much of each will she need to serve to get 
of protein and 108 calories?
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Solve the problem.Alex and Juana went on a 50-mile canoe trip with their class. On the first day they traveled 12 miles. What percent of the total distance did they canoe?
A. 4% B. 400% C. 24% D. 0.24%
Find VR at t = 8 msec when a series RC circuit is connected to a 24 V supply. R = 10 K and C = 1 æF.
a. 8.8 V b. 10.8 V c. 12.2 V d. 15.2 V e. 17.7 V