How can you simplify (image)?

a. divide the numerator and denominator by (x – 21).

b. divide the numerator and denominator by (x + 7).

c. divide the numerator and denominator by (x – 3).

d. divide the numerator and denominator by (x – 5).

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.