Juanita wrote 3 x 47 as 3 x 40 + 3 x 7. which property did she use to rewrite the expression?

What does it mean by solve the exponential equation for x?

The perimeter of a rhombus with a side of 6 is 24

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