a farmer in china discovers a mammal hide that contains 79% of its original amount of c-14. Find the age of the hide to the nearest year.

One integer is 8 times another. if the product is 72, then find the integers

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2