What is the simplified form of the expression 3 + 8x − 2y − x + 1 + 4y

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?