Can someone please help me answer this question asap thank you

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?