Jim invested $250 when he was 18. His investment earned 8.5% interest compounded quarterly. How much would his investment be worth when he is 65? (Round to the nearest cent - 2 decimal places)

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Why is causation so much more difficult to prove than correlation?