The circular opening of a tunnel has a circumference of 42
meters. Which equation can be
used to find d, the diameter of
the tunnel opening?

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?

What is the factor form of x^2-9x+14

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?