6th grade math (easy I guess) <3

D and A

Step-by-step explanation:

because with a unit rate it has to be with ONE unit rate

so at the end it has to have PER

i hope it makes sense

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

what i would say the best answer is a. 40.5