Help pls and if possible could you show the steps if not thats fine to

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%