It’s geometry I have a triangle left side is just a c right side is 80cm and the bottom is 18cm but there’s a right angle in the corner the question is calculate the value of c

How is the number of vertices for a prism related to the name of the prism

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.