Ihave a simple question if i have (f + g)(x) = 2x + 7 + 6x – 5 and i combine 2x and 6x is it 8x or 8x^2?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)