(MP Use Tools A news radio program has 3 commercial breaks per half-hour of programming. What is the unit rate of commercials to hours of programming?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Which table represents a linear function? i'll give brainliest to first answer ^'^