Are irrational numbers closed under division?

there are 75 students in a speech contest. Yesterday, 1/3 of them gave their speeches. Today, 2/5 of the remaining students gave their speeches. how many students still haven't given their speeches?

Round the following numbers to the nearest thousand. 11. 345,276 12. 127,825

Write the name of the period that has the digits 486.

A tree is 2 1/2 1/2 feet tall. how tall will it be in 3 years if it grows 1/4 1/4 foot each year? which method will not give the correct number of feet?

864 is 40% of what number

The English class has half as many students as the math class

Which of the following has a shallower slope than the line 3x-1y=-1? a) - 11 b) - 8 c) 1/5 d) 10/3 e) 5

Solve the inequality 7 x ≤ 10.

A construction worker estimates that a kitchen remodel will take 1 person 112 hours. If 4 people work on the job for 7 hours a day, how many days will it take for them to complete the job?

Twenty percent of students in a class have one or more cats as pets. There are 6 cat owners. How many students are in the class?