Help me pleas I'm stuck​

What is the product of the radical expression. (7-2square root) (8+2 square root)

Empty box + box + empty box fill in the box is equal to 30 how

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.