Help I will rate 5 starts and give u

(a) -5 + (-3)

(b) -5 + 3

Step-by-step explanation:

(a) The right answer is     - 5 + (-3)

(b) The right answer is     - 5 + 3

Step-by-step explanation:

If we are going to the right by "n" places we add "n", and if we go "n" places to the left we substract "n". Therefor...

(a) The right answer is     - 5 + (-3)

(b) The right answer is     - 5 + 3

i know the answer is 3

step-by-step explanation:

∠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°