Leaves were falling off a tree at an exponential rate beginning oct.1, on the 10th there were 5287 leaves. on the 21st there were 692 leaves
y=ae^kt

a) find k (constant of proportionality)

b) how many leaves were there on the tree before it started losing leaves?

c) on what date was there only one leaf?

any insight is appreciated

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w