If a equals to 3 x^2 - 7 x -8 and B = 2 x^2 - 5 x -4 .find 2a + b​

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?