Sam is using a microscope to look at the plant specimen. the microscope magnifies the specimen 4 × 10 squared times. if the specimen is 3 cm long , how long will the magnified specimen appear to be

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

How do i find the missing angle measure in a polygon

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75