A total of $6000 is invested: part at 8% and the remainder at 13%. How much is invested at each rate if the annual interest is $650?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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%

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way