How can you diffrentiate "less" and "less than"? Can these terms be used in mathematics? How?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers