What are the explicit equation and domain for an arithmetic sequence with a first term of 3 and a second term of -9?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.