5 t-shirt cost R120.how much will 9t-shirt cost​

An equation is shown below: 3(4x − 2) = 1 which of the following correctly shows the first two steps to solve this equation?

4. find the geometric mean of 4 and 12. 24 8

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