¿Alguien me puede decir la respuesta con explicación?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.