You hike 72 feet up a mountain. the next day, you hike 12 feet down the mountain. write an integer to represent each situation

72 and -12

Step-by-step explanation:

An integer is a number that can be written without a fractional component. For example, 2 and -5 are integers, but 1.5 is not. Taking going up as an increment and going down as a decrement, then hiking 72 feet up a mountain could be represented by 72, and hiking 12 feet down by -12. In this way you can compute your new height as follows: new height = previous height + height variation. For example if you start at 200 m, then your new  height will be: 200 + 72 = 274 feet, or 200 + (-12) = 188 feet

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

correct answer:

b.(19,-2)