For what values of x and y must abcd be a parallelogram?

Find the value of the variable and the length of each secant segment

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.