Answer: A parallelogram is a four-sided plane rectilinear figure with opposite sides parallel and a a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
Both a rhombus and a parallelogram are quadrilateral figures, which means both are four-sided figures. The main difference is that a parallelogram has two parallel opposing sides which are of equal lengths, whereas a rhombus has four sides that all have equal lengths (all four sides are parallel).
The answer is B, The product of 4 and what number is equal to 28. It is because, products are with multiplication. So it says "4 multiplied by a number (x) equals 28.