When a number x is multiplied by 4, the result is 2/5 . what is the value of x? drag and drop the correct number into the box so that the equation is true.

What signals you that factoring by grouping is the best method to use when factoring a problem?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.