You are thinking about buying a savings bond. The bond costs ​57$ today and will mature in 8 years with a value of 114​$. What annual interest rate will the bond​ earn?

Need on this geometry question. explain how you did it.

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.