Como sacar conclusiones de una tabla de frecuencias

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9