Every 24 hours, earth makes a full rotation around its axis. earth's speed of rotation at the equator is 1,670 km per hour. what is the circumference of earth's equator? (hint: earth's circumference at the equator is equal to the distance that earth rotates around the equator).

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

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?