On a map 2 centimeters represents 100 kilometers. how much of a centimeter represents 20 kilometers

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Do you mind if you guys me with this question i’m on number 8

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3