Helayne has a chihuahua mix that weighs 1 pound and gains 2 pounds per year. Lara has a young Siberian husky that weighs 4 pounds and gains 1 pound every year. When will the teo dogs weigh the same amount? How much will the dogs weigh? Write a pair of equations to represent the situation.

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

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Ill mark the brainliest if you me with the these three questions 7,8,9