A 4-foot-tall girls casts a shadow that is 7.2 feet long. A nearby tree casts a shadow that is 25.56 feet long. How tall, in feet, is the tree?

Abcd is a square. what is the measure of angle bac

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625