Ryan is 160cm tall and his brother is 7/8 as tall as him. How tall is Ryan’s brother?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?