The table shows a relative frequency distribution for the size of farms in the United States. Find the probability that a randomly-selected farm has 500 or more acres.

A) 0.076
B) 0.111
C) 0.158
D) 0.195

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

Can someone answer this question for me

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left