Do these ratios form a proportion? 20 dollars for 8 hot dogs

7 dollars for 2 hot dogs

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Cate purchases $1600 worth of stock and her broker estimates it will increase in value by 4.2% each year. after about how many years will the value of cate's stock be about $2000

Which is an example of using the distributive property to multiply -5x^3(3x^2+3x-1) ?