Does this picture represent a physical or a chemical change?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.