Find the circumference and the area of a circle whose diameter is 16cm

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%