Please help! At Jefferson Middle School, 84 seventh-grade students have been to the zoo. This number is 75% of the total number of seventh-grade students. What is
the total number of seventh-grade students at Jefferson Middle School?

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?