Paul wants to buy a shirt for his brother for Christmas. The regular price of the shirt is $20. There is a 40% discount in the entire store. How much is the discount on the shirt?

8 dollars is the discount

Step-by-step explanation:

the shirt would be 12 dollars. you do 40% of $20

the discount is $8 making the shirt $12

∠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°

7,24

step-by-step explanation: