Please help. brainliest (10 points was the max) write an equation gives two sets of points.

1. (4,5), (2,1)
2. (3,-2), (-3,-8)
3. (-1,7) (1,5)
4. (-2,-1), (0,3)
5. (3,4), (5,-4)
6. (-3,6), (-5,2)
7. (6,10), (3,-5)
8. (3,-3), (7,5)

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?