Can someone me on this ?
question : three-sevenths of a number is 21. find the number.
choices: the number is 9
the number is 27
the number is 49

The length of the largest fish is 967.74 times greater than the length of the smallest fish. select a variable expression that shows the length of the largest fish, if 8 is the length of the smallest fish. a. s + 967.74 b. \[ \frac{967.74}{s} \] c. 967.74 - s d. 967. 74s

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

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?