It is given that y varies directly as x. if y = 10 when x = 3 determine the constant of variation.

a. -3/10
b. 10
c. 5
d. 10/3

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?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

How do you write something in scientific notation?