Alejandro is saving money from work and his Mom will give him an extra 27 of whatever he saves. If Alejandro saves $50, how much will his mom give him?

What is the value of r of the geometric series?

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?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?