Johnathan ran 400 meters in 58.01 seconds. What is the difference of his time
and the school record of 55.49 seconds?

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?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units