You deposit $400in an account. The account earns $18 simple interest in 9 months. What is the annual interest rate?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.