How many kilograms of onions would you have if you spent 30 pound and the onions cost 6 pound per 10 kg how many kg would you with working out

Can someone pls ! pls answer all. no explanation needed..

Select the sequences that are geometric.

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.