Is the following expression true or false? show your work. [x^2 + 8x + 16] · [x^2 – 8x + 16] = (x^2 – 16)^2

What is the binomial expansion of (2x-3)^5

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.