Can somebody help me with ten questions this Friday

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

What is the factored form of the following expressions? d^2 – 13d + 36