Do not solve but simplify the following equations:

-4x+9x+3

5x - (-3x)

-8n - (-2n) - 7

6n + (-5n) + 3

When 3 less than the square of a number n is multiplied by 2, the result is 122. if n > 0, what is the value of n?

Find the volume of a triangular prism with the sides: 20.8, 12, and 8.

Solve the Application. 12,621 people currently subscribe to the "Weekly" magazine. If 2,385 people subscribe this month and 692 people cancel, how many subscribers do they have?

Brandon has 32 stamps. He wants to display the stamps in rows, How many different ways can he display the stamps? Explain

Write 3 and 1 fraction 8 % in simplest form. Justify your answer

Do you need to use the greatest or least common denominator?

Molly made $400 in 8 hours. Find the unit rate

Explain, in complete sentences, how you would expand (6x + 5y) 3 using Pascal's Triangle.

The distance formula is derived from the Pythagorean theorem. true or false

Reniel saves 30% of every payback. His paycheck last week was $560. How much did Reniel save last week?