WILL MARK BRAINLIEST! Caleb practices piano 20 minutes per day, and he practices guitar 30 minutes per day.

Which expression represents the number of minutes Caleb spends practicing instruments after d days?

Select each correct answer.

d(20+30)

20(30+d)

20d + 30d

20 + d + 30 + d

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?