3. A sequence is defined by the formula u1= -12, Un+1 = Un +7, n > 1. a. Prove that the sequence is arithmetic. b. Find the 200th term of the sequence. c. Is 1000 a member of the sequence?​

Drag the tiles to the boxes to form correct pairs. not all tiles will be used with reference to the figure, match the angles and arcs to their measures. *dpa 124 e0b 114° cob spot xoca 122° c e 2019 orentum arts reserved a 6: 52 pm 6/19/2019 40