Suppose that y varies directly as the square root of x, and that y = 36 when x = 169. What is y when. x = 120? Round your answer to two decimal places if necessary.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?