Which of the following closed sets of ordered pairs is not a function? А {(3,2), (4,6), (5,8)} B {(2,1),(3,2), (4,3)} C {(1,2), (2,5), (1,3)} D {(2,4), (5,3), (4,1)}

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.

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup