Jacqui has grades of 84 and 90 on her first two algebra tests. if she wants an average of at least 72 , what possible scores can she make on her third test?

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels