Given the sequence -3, 9, -27, 81, -243, ..., find the recursive formula. A. a1=−3 and an+1=2an
B. a1=−3 and an+1=−2an
C. a1=−3 and an+1=−4an
D. a1=−3 and an+1=−3an

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking