The computer lab is removing the 3 broken computers and adding 13 wireless touchscreen devices. About what percent of the lab are wireless devices?

Can some one me, i’ve been asking for so long

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%