Write the ratio in simplest form.7 to 8
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the direction in which the function is increasing or decreasing most rapidly at the point p.f(x, y) = xy2 - yx2, p = (2, -1)
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i + 
j
Solve the problem.A merchant has coffee worth $40 a pound that she wishes to mix with 30 pounds of coffee worth $90 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the $40 coffee should be used?
A. 10 lb B. 50 lb C. 20 lb D. 25 lb
Solve the problem.One-half serving of soy sauce contains 443 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-yung dish made from 2 servings of soy sauce? Round to the nearest tenth of a gram.
A. 221.5 g B. 1.8 g C. 0.2 g D. 88.6 g
Assess the stability of the equilibrium points of the nonlinear system x? = (x ? 2)( y ?1) and y? = x2 ? 2y ?8
Sketch trajectories of solutions of z? = Az given the eigenvalues and associated eigenvectors of A. Classify the origin and assess its stability.