If a tree casts a 24-foot shadow at the same time that a yardstick cast a 2-foot shadow find the height of the tree

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

3x + 4y = 5 x- 3y = -7 solve by substitution

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?