Select all expressions equivalent to (3x + 5y)?.
A 9x² + 25y²
B 3x²+2(3x) (5y) + 5y2
C (3x)2 + 2(3x)(5y) + (57)
D (3x)2 + (3x)(5y) + (5y)2
E 9x2 + 30xy + 25y2

Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

How can you find the mean absolute deviation (mad) for this set of data?