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(d)
A farmer plants two crops, potatoes and corn, on a ten-hectare piece of land. The number of
hectares of corn planted, c, must be at least twice the number of hectares of potatoes, p.
Write TWO inequalities to represent the scenario above,

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?