Charmaine's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs charmaine $5.75 per pound, and type b coffee costs $4.55 per pound. this month's blend used four times as many pounds of type b coffee as type a, for a total cost of $526.90. how many pounds of type a coffee were used?

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

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Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.