If you add 18 g of benzoic acid to 103 g of an ointment base what is the final concentration w/w of the product

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

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Collin did the work to see if 10 is a solution to the equation r/4=2.4