Gan arch has the shape of a semi-ellipse. the arch has a height of 8 feet and a span of 20 feet. find an equation for the ellipse and use it to find the height, in feet, of the arch at a distance of 5 feet from the center. (round your answer to the nearest hundredth if necessary.)

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

How do i do this activity, is appreciated

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?