In the last test 40% of all students in mrs. well's class got grade a. how many students are studying in this class, if there were 28 a's on the test?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)