80% of the 107th graders at a school or going on a field trip how many students are going on the trip?i need so much !

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?

What is the volume if this rectangular prism: 5/2 cm by 3/4 cm by 1/3 cm