Suppose there is a 1.7 degree f drop in temperature for every thousand feet that an airplane climbs into the sky. if the temperature on the ground is 46.4 degrees f, what will be the temperature when the plane reaches an altitude of 6,000ft?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?

Which one is the correct answer, and why?