Which graph represents the parametric equations x(t) = t - 4 and y(t) = t^2 +5 for -1

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?