Arectangular corn field yielded 2,200,000 ears of corn. the dimensions of the corn field are 800 yards by 550 yards. how many ears of corn per square yard did the corn field yield?

a) 5 per square yard
b) 10 per square yard
c) 25 per square yard
d) 50 per square yard

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.

Asap! i need this done today and i really don’t understand it. some one ! will mark