If a line segment AB is on the number line, and the point A is at - 7 and point B is at 12, the length of AB is .

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

What is the sum of these mixed numbers 4 2/3+ 3 1/9