A farmer in china discovers a mammal hide that contains 42% of its original amount of c-14

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2

Which expression is equivalent to 64 - 9x^2?