What is the measurement of angle b?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Iwill give brainliest. give accurate answer, . suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?