Combine like terms to write an equivalent expression then use y=5 to prove the expression are equivalent 1+y+y+y+1

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

Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²